diff --git a/common/config/rush/pnpm-lock.yaml b/common/config/rush/pnpm-lock.yaml
index a1fd7c386fc3..2e43b5874141 100644
--- a/common/config/rush/pnpm-lock.yaml
+++ b/common/config/rush/pnpm-lock.yaml
@@ -297,25 +297,25 @@ importers:
         version: file:projects/arm-devhub.tgz(msw@2.7.0(@types/node@22.7.9)(typescript@5.7.3))(vite@5.4.11(@types/node@22.7.9))
       '@rush-temp/arm-deviceprovisioningservices':
         specifier: file:./projects/arm-deviceprovisioningservices.tgz
-        version: file:projects/arm-deviceprovisioningservices.tgz
+        version: file:projects/arm-deviceprovisioningservices.tgz(msw@2.7.0(@types/node@22.7.9)(typescript@5.7.3))(vite@5.4.11(@types/node@22.7.9))
       '@rush-temp/arm-deviceregistry':
         specifier: file:./projects/arm-deviceregistry.tgz
         version: file:projects/arm-deviceregistry.tgz(msw@2.7.0(@types/node@22.7.9)(typescript@5.7.3))(vite@5.4.11(@types/node@22.7.9))
       '@rush-temp/arm-deviceupdate':
         specifier: file:./projects/arm-deviceupdate.tgz
-        version: file:projects/arm-deviceupdate.tgz
+        version: file:projects/arm-deviceupdate.tgz(msw@2.7.0(@types/node@22.7.9)(typescript@5.7.3))(vite@5.4.11(@types/node@22.7.9))
       '@rush-temp/arm-devopsinfrastructure':
         specifier: file:./projects/arm-devopsinfrastructure.tgz
         version: file:projects/arm-devopsinfrastructure.tgz(msw@2.7.0(@types/node@22.7.9)(typescript@5.7.3))(vite@5.4.11(@types/node@22.7.9))
       '@rush-temp/arm-devspaces':
         specifier: file:./projects/arm-devspaces.tgz
-        version: file:projects/arm-devspaces.tgz
+        version: file:projects/arm-devspaces.tgz(msw@2.7.0(@types/node@22.7.9)(typescript@5.7.3))(vite@5.4.11(@types/node@22.7.9))
       '@rush-temp/arm-devtestlabs':
         specifier: file:./projects/arm-devtestlabs.tgz
-        version: file:projects/arm-devtestlabs.tgz
+        version: file:projects/arm-devtestlabs.tgz(msw@2.7.0(@types/node@22.7.9)(typescript@5.7.3))(vite@5.4.11(@types/node@22.7.9))
       '@rush-temp/arm-digitaltwins':
         specifier: file:./projects/arm-digitaltwins.tgz
-        version: file:projects/arm-digitaltwins.tgz
+        version: file:projects/arm-digitaltwins.tgz(msw@2.7.0(@types/node@22.7.9)(typescript@5.7.3))(vite@5.4.11(@types/node@22.7.9))
       '@rush-temp/arm-dns':
         specifier: file:./projects/arm-dns.tgz
         version: file:projects/arm-dns.tgz
@@ -2861,7 +2861,7 @@ packages:
     version: 0.0.0
 
   '@rush-temp/arm-deviceprovisioningservices@file:projects/arm-deviceprovisioningservices.tgz':
-    resolution: {integrity: sha512-LtsvjluihZbDOjb19qdSo+VdU9HOcMbGdXrdYWz6EaT1t9lff1Fczfr6MhLUK3H2JF92a+ANgGZ83I7yHJVSLA==, tarball: file:projects/arm-deviceprovisioningservices.tgz}
+    resolution: {integrity: sha512-OlrFXDQYrhoppXLxhRiBMleZtto0njDOMWFjlTHnUf4d2sXjTDem7LkdSYBarn3l+lIJ+iLvnK0yyFxtu1Mwdg==, tarball: file:projects/arm-deviceprovisioningservices.tgz}
     version: 0.0.0
 
   '@rush-temp/arm-deviceregistry@file:projects/arm-deviceregistry.tgz':
@@ -2869,7 +2869,7 @@ packages:
     version: 0.0.0
 
   '@rush-temp/arm-deviceupdate@file:projects/arm-deviceupdate.tgz':
-    resolution: {integrity: sha512-O8T8MSzp0+T1BREa9gE91zzR0GA38D3kBosDUTY0gff7y6hG+sKFg15W/wmK4PLNda2rS2luNHivVid9cB0eEw==, tarball: file:projects/arm-deviceupdate.tgz}
+    resolution: {integrity: sha512-sfV75iaC7YnwNgPCg9M7ILBd3sm5lscMliq7S6MPxqJvgun3DhOv5/HMfpETGQ40Jqg6cRONszX4AwdNIdaCng==, tarball: file:projects/arm-deviceupdate.tgz}
     version: 0.0.0
 
   '@rush-temp/arm-devopsinfrastructure@file:projects/arm-devopsinfrastructure.tgz':
@@ -2877,15 +2877,15 @@ packages:
     version: 0.0.0
 
   '@rush-temp/arm-devspaces@file:projects/arm-devspaces.tgz':
-    resolution: {integrity: sha512-M+g3ehZVqHp8ZmRdIIw7OOak0xE8wLi8QB82lK4jqhpdftPnToxYqGNTVHzsLJKRC0P9L3EUjyb3kL+WJNgA3g==, tarball: file:projects/arm-devspaces.tgz}
+    resolution: {integrity: sha512-3YAlBLTEM0ELe0RuuLfkA5/kROeMmwMcTd8NbEUlKeojRFmllE9srqAAhqEdFLGjyOzyqo5ORs9FGWHzMvT2iA==, tarball: file:projects/arm-devspaces.tgz}
     version: 0.0.0
 
   '@rush-temp/arm-devtestlabs@file:projects/arm-devtestlabs.tgz':
-    resolution: {integrity: sha512-kJi/YWvLwigtrX95bHndXd4J9JzMwCe7D5sz7NByvI7t7Hb6tKBBNILlK9jMv0lKCKrVhWW/oMzVMRqfjqyfrw==, tarball: file:projects/arm-devtestlabs.tgz}
+    resolution: {integrity: sha512-X2O83wjy3e+zSpWdB4MYFf+NS8U2BDqTzLePburCkuhVfDn+DVRErapBDBoZ1n925+MKk36PlHxTMASdyG87Wg==, tarball: file:projects/arm-devtestlabs.tgz}
     version: 0.0.0
 
   '@rush-temp/arm-digitaltwins@file:projects/arm-digitaltwins.tgz':
-    resolution: {integrity: sha512-qjYFTmBcvdfjTFfMp9Hpfhjcz5s5PnLzFZGqMlFFfOHlws3HPj2Qvg7ZQL1N0EgelTscVBGl0gDqEJb421kepg==, tarball: file:projects/arm-digitaltwins.tgz}
+    resolution: {integrity: sha512-2x1m6qmOWNX6bewbmRSo3oXvPNe2XvuKnYghNd63uDx165kNcvfaIO7otMW/l2kB9uRr1AkCZ06OQ/rihhIwYQ==, tarball: file:projects/arm-digitaltwins.tgz}
     version: 0.0.0
 
   '@rush-temp/arm-dns-profile-2020-09-01-hybrid@file:projects/arm-dns-profile-2020-09-01-hybrid.tgz':
@@ -12742,25 +12742,37 @@ snapshots:
       - vite
       - webdriverio
 
-  '@rush-temp/arm-deviceprovisioningservices@file:projects/arm-deviceprovisioningservices.tgz':
+  '@rush-temp/arm-deviceprovisioningservices@file:projects/arm-deviceprovisioningservices.tgz(msw@2.7.0(@types/node@22.7.9)(typescript@5.7.3))(vite@5.4.11(@types/node@22.7.9))':
     dependencies:
-      '@azure-tools/test-credential': 1.3.1
-      '@azure-tools/test-recorder': 3.5.2
       '@azure/abort-controller': 1.1.0
       '@azure/core-lro': 2.7.2
-      '@types/chai': 4.3.20
-      '@types/mocha': 10.0.10
       '@types/node': 18.19.70
-      chai: 4.5.0
+      '@vitest/browser': 2.1.8(@types/node@18.19.70)(playwright@1.49.1)(typescript@5.7.3)(vite@5.4.11(@types/node@22.7.9))(vitest@2.1.8)
+      '@vitest/coverage-istanbul': 2.1.8(vitest@2.1.8)
       dotenv: 16.4.7
-      mocha: 11.1.0
-      ts-node: 10.9.2(@types/node@18.19.70)(typescript@5.7.3)
+      playwright: 1.49.1
       tslib: 2.8.1
       typescript: 5.7.3
+      vitest: 2.1.8(@types/node@18.19.70)(@vitest/browser@2.1.8)(msw@2.7.0(@types/node@22.7.9)(typescript@5.7.3))
     transitivePeerDependencies:
-      - '@swc/core'
-      - '@swc/wasm'
+      - '@edge-runtime/vm'
+      - '@vitest/ui'
+      - bufferutil
+      - happy-dom
+      - jsdom
+      - less
+      - lightningcss
+      - msw
+      - safaridriver
+      - sass
+      - sass-embedded
+      - stylus
+      - sugarss
       - supports-color
+      - terser
+      - utf-8-validate
+      - vite
+      - webdriverio
 
   '@rush-temp/arm-deviceregistry@file:projects/arm-deviceregistry.tgz(msw@2.7.0(@types/node@22.7.9)(typescript@5.7.3))(vite@5.4.11(@types/node@22.7.9))':
     dependencies:
@@ -12794,25 +12806,37 @@ snapshots:
       - vite
       - webdriverio
 
-  '@rush-temp/arm-deviceupdate@file:projects/arm-deviceupdate.tgz':
+  '@rush-temp/arm-deviceupdate@file:projects/arm-deviceupdate.tgz(msw@2.7.0(@types/node@22.7.9)(typescript@5.7.3))(vite@5.4.11(@types/node@22.7.9))':
     dependencies:
-      '@azure-tools/test-credential': 1.3.1
-      '@azure-tools/test-recorder': 3.5.2
       '@azure/abort-controller': 1.1.0
       '@azure/core-lro': 2.7.2
-      '@types/chai': 4.3.20
-      '@types/mocha': 10.0.10
       '@types/node': 18.19.70
-      chai: 4.5.0
+      '@vitest/browser': 2.1.8(@types/node@18.19.70)(playwright@1.49.1)(typescript@5.7.3)(vite@5.4.11(@types/node@22.7.9))(vitest@2.1.8)
+      '@vitest/coverage-istanbul': 2.1.8(vitest@2.1.8)
       dotenv: 16.4.7
-      mocha: 11.1.0
-      ts-node: 10.9.2(@types/node@18.19.70)(typescript@5.7.3)
+      playwright: 1.49.1
       tslib: 2.8.1
       typescript: 5.7.3
+      vitest: 2.1.8(@types/node@18.19.70)(@vitest/browser@2.1.8)(msw@2.7.0(@types/node@22.7.9)(typescript@5.7.3))
     transitivePeerDependencies:
-      - '@swc/core'
-      - '@swc/wasm'
+      - '@edge-runtime/vm'
+      - '@vitest/ui'
+      - bufferutil
+      - happy-dom
+      - jsdom
+      - less
+      - lightningcss
+      - msw
+      - safaridriver
+      - sass
+      - sass-embedded
+      - stylus
+      - sugarss
       - supports-color
+      - terser
+      - utf-8-validate
+      - vite
+      - webdriverio
 
   '@rush-temp/arm-devopsinfrastructure@file:projects/arm-devopsinfrastructure.tgz(msw@2.7.0(@types/node@22.7.9)(typescript@5.7.3))(vite@5.4.11(@types/node@22.7.9))':
     dependencies:
@@ -12846,63 +12870,99 @@ snapshots:
       - vite
       - webdriverio
 
-  '@rush-temp/arm-devspaces@file:projects/arm-devspaces.tgz':
+  '@rush-temp/arm-devspaces@file:projects/arm-devspaces.tgz(msw@2.7.0(@types/node@22.7.9)(typescript@5.7.3))(vite@5.4.11(@types/node@22.7.9))':
     dependencies:
-      '@azure-tools/test-credential': 1.3.1
-      '@azure-tools/test-recorder': 3.5.2
       '@azure/abort-controller': 1.1.0
       '@azure/core-lro': 2.7.2
-      '@types/chai': 4.3.20
-      '@types/mocha': 10.0.10
       '@types/node': 18.19.70
-      chai: 4.5.0
-      mocha: 11.1.0
-      ts-node: 10.9.2(@types/node@18.19.70)(typescript@5.7.3)
+      '@vitest/browser': 2.1.8(@types/node@18.19.70)(playwright@1.49.1)(typescript@5.7.3)(vite@5.4.11(@types/node@22.7.9))(vitest@2.1.8)
+      '@vitest/coverage-istanbul': 2.1.8(vitest@2.1.8)
+      playwright: 1.49.1
       tslib: 2.8.1
       typescript: 5.7.3
+      vitest: 2.1.8(@types/node@18.19.70)(@vitest/browser@2.1.8)(msw@2.7.0(@types/node@22.7.9)(typescript@5.7.3))
     transitivePeerDependencies:
-      - '@swc/core'
-      - '@swc/wasm'
+      - '@edge-runtime/vm'
+      - '@vitest/ui'
+      - bufferutil
+      - happy-dom
+      - jsdom
+      - less
+      - lightningcss
+      - msw
+      - safaridriver
+      - sass
+      - sass-embedded
+      - stylus
+      - sugarss
       - supports-color
+      - terser
+      - utf-8-validate
+      - vite
+      - webdriverio
 
-  '@rush-temp/arm-devtestlabs@file:projects/arm-devtestlabs.tgz':
+  '@rush-temp/arm-devtestlabs@file:projects/arm-devtestlabs.tgz(msw@2.7.0(@types/node@22.7.9)(typescript@5.7.3))(vite@5.4.11(@types/node@22.7.9))':
     dependencies:
-      '@azure-tools/test-credential': 1.3.1
-      '@azure-tools/test-recorder': 3.5.2
       '@azure/abort-controller': 1.1.0
       '@azure/core-lro': 2.7.2
-      '@types/chai': 4.3.20
-      '@types/mocha': 10.0.10
       '@types/node': 18.19.70
-      chai: 4.5.0
-      mocha: 11.1.0
-      ts-node: 10.9.2(@types/node@18.19.70)(typescript@5.7.3)
+      '@vitest/browser': 2.1.8(@types/node@18.19.70)(playwright@1.49.1)(typescript@5.7.3)(vite@5.4.11(@types/node@22.7.9))(vitest@2.1.8)
+      '@vitest/coverage-istanbul': 2.1.8(vitest@2.1.8)
+      playwright: 1.49.1
       tslib: 2.8.1
       typescript: 5.7.3
+      vitest: 2.1.8(@types/node@18.19.70)(@vitest/browser@2.1.8)(msw@2.7.0(@types/node@22.7.9)(typescript@5.7.3))
     transitivePeerDependencies:
-      - '@swc/core'
-      - '@swc/wasm'
+      - '@edge-runtime/vm'
+      - '@vitest/ui'
+      - bufferutil
+      - happy-dom
+      - jsdom
+      - less
+      - lightningcss
+      - msw
+      - safaridriver
+      - sass
+      - sass-embedded
+      - stylus
+      - sugarss
       - supports-color
+      - terser
+      - utf-8-validate
+      - vite
+      - webdriverio
 
-  '@rush-temp/arm-digitaltwins@file:projects/arm-digitaltwins.tgz':
+  '@rush-temp/arm-digitaltwins@file:projects/arm-digitaltwins.tgz(msw@2.7.0(@types/node@22.7.9)(typescript@5.7.3))(vite@5.4.11(@types/node@22.7.9))':
     dependencies:
-      '@azure-tools/test-credential': 1.3.1
-      '@azure-tools/test-recorder': 3.5.2
       '@azure/abort-controller': 1.1.0
       '@azure/core-lro': 2.7.2
-      '@types/chai': 4.3.20
-      '@types/mocha': 10.0.10
       '@types/node': 18.19.70
-      chai: 4.5.0
+      '@vitest/browser': 2.1.8(@types/node@18.19.70)(playwright@1.49.1)(typescript@5.7.3)(vite@5.4.11(@types/node@22.7.9))(vitest@2.1.8)
+      '@vitest/coverage-istanbul': 2.1.8(vitest@2.1.8)
       dotenv: 16.4.7
-      mocha: 11.1.0
-      ts-node: 10.9.2(@types/node@18.19.70)(typescript@5.7.3)
+      playwright: 1.49.1
       tslib: 2.8.1
       typescript: 5.7.3
+      vitest: 2.1.8(@types/node@18.19.70)(@vitest/browser@2.1.8)(msw@2.7.0(@types/node@22.7.9)(typescript@5.7.3))
     transitivePeerDependencies:
-      - '@swc/core'
-      - '@swc/wasm'
+      - '@edge-runtime/vm'
+      - '@vitest/ui'
+      - bufferutil
+      - happy-dom
+      - jsdom
+      - less
+      - lightningcss
+      - msw
+      - safaridriver
+      - sass
+      - sass-embedded
+      - stylus
+      - sugarss
       - supports-color
+      - terser
+      - utf-8-validate
+      - vite
+      - webdriverio
 
   '@rush-temp/arm-dns-profile-2020-09-01-hybrid@file:projects/arm-dns-profile-2020-09-01-hybrid.tgz':
     dependencies:
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/api-extractor.json b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/api-extractor.json
index 741448181d46..9e9264e585d0 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/api-extractor.json
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/api-extractor.json
@@ -1,6 +1,6 @@
 {
   "$schema": "https://developer.microsoft.com/json-schemas/api-extractor/v7/api-extractor.schema.json",
-  "mainEntryPointFilePath": "./dist-esm/src/index.d.ts",
+  "mainEntryPointFilePath": "dist/esm/index.d.ts",
   "docModel": {
     "enabled": true
   },
@@ -11,7 +11,7 @@
   "dtsRollup": {
     "enabled": true,
     "untrimmedFilePath": "",
-    "publicTrimmedFilePath": "./types/arm-deviceprovisioningservices.d.ts"
+    "publicTrimmedFilePath": "dist/arm-deviceprovisioningservices.d.ts"
   },
   "messages": {
     "tsdocMessageReporting": {
@@ -28,4 +28,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/package.json b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/package.json
index ff558187cc40..dd7ebbc6428f 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/package.json
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/package.json
@@ -24,22 +24,22 @@
     "isomorphic"
   ],
   "license": "MIT",
-  "main": "./dist/index.js",
-  "module": "./dist-esm/src/index.js",
-  "types": "./types/arm-deviceprovisioningservices.d.ts",
+  "main": "./dist/commonjs/index.js",
+  "module": "./dist/esm/index.js",
+  "types": "./dist/commonjs/index.d.ts",
   "devDependencies": {
-    "@azure-tools/test-credential": "^1.0.0",
-    "@azure-tools/test-recorder": "^3.0.0",
+    "@azure-tools/test-credential": "^2.0.0",
+    "@azure-tools/test-recorder": "^4.1.0",
+    "@azure-tools/test-utils-vitest": "^1.0.0",
     "@azure/dev-tool": "^1.0.0",
     "@azure/identity": "^4.0.1",
-    "@types/chai": "^4.2.8",
-    "@types/mocha": "^10.0.0",
     "@types/node": "^18.0.0",
-    "chai": "^4.2.0",
+    "@vitest/browser": "^2.1.8",
+    "@vitest/coverage-istanbul": "^2.1.8",
     "dotenv": "^16.0.0",
-    "mocha": "^11.0.2",
-    "ts-node": "^10.0.0",
-    "typescript": "~5.7.2"
+    "playwright": "^1.49.1",
+    "typescript": "~5.7.2",
+    "vitest": "^2.1.8"
   },
   "repository": {
     "type": "git",
@@ -49,24 +49,14 @@
     "url": "https://github.com/Azure/azure-sdk-for-js/issues"
   },
   "files": [
-    "dist/**/*.js",
-    "dist/**/*.js.map",
-    "dist/**/*.d.ts",
-    "dist/**/*.d.ts.map",
-    "dist-esm/**/*.js",
-    "dist-esm/**/*.js.map",
-    "dist-esm/**/*.d.ts",
-    "dist-esm/**/*.d.ts.map",
-    "src/**/*.ts",
+    "dist/",
     "README.md",
     "LICENSE",
-    "tsconfig.json",
-    "review/*",
-    "CHANGELOG.md",
-    "types/*"
+    "review/",
+    "CHANGELOG.md"
   ],
   "scripts": {
-    "build": "npm run clean && tsc && dev-tool run bundle && npm run minify && dev-tool run vendored mkdirp ./review && npm run extract-api",
+    "build": "npm run clean && dev-tool run build-package && dev-tool run vendored mkdirp ./review && dev-tool run extract-api",
     "build:browser": "echo skipped",
     "build:node": "echo skipped",
     "build:samples": "echo skipped.",
@@ -78,7 +68,7 @@
     "format": "echo skipped",
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
-    "integration-test:node": "dev-tool run test:node-ts-input -- --timeout 1200000 'test/*.ts'",
+    "integration-test:node": "dev-tool run test:vitest --esm",
     "lint": "echo skipped",
     "minify": "dev-tool run vendored uglifyjs -c -m --comments --source-map \"content='./dist/index.js.map'\" -o ./dist/index.min.js ./dist/index.js",
     "pack": "npm pack 2>&1",
@@ -88,7 +78,7 @@
     "test:node": "echo skipped",
     "unit-test": "npm run unit-test:node && npm run unit-test:browser",
     "unit-test:browser": "echo skipped",
-    "unit-test:node": "dev-tool run vendored cross-env TEST_MODE=playback npm run integration-test:node",
+    "unit-test:node": "dev-tool run test:vitest",
     "update-snippets": "echo skipped"
   },
   "sideEffects": false,
@@ -109,5 +99,45 @@
     ],
     "disableDocsMs": true,
     "apiRefLink": "https://learn.microsoft.com/javascript/api/@azure/arm-deviceprovisioningservices?view=azure-node-preview"
+  },
+  "type": "module",
+  "tshy": {
+    "project": "./tsconfig.src.json",
+    "exports": {
+      "./package.json": "./package.json",
+      ".": "./src/index.ts"
+    },
+    "dialects": [
+      "esm",
+      "commonjs"
+    ],
+    "esmDialects": [
+      "browser",
+      "react-native"
+    ],
+    "selfLink": false
+  },
+  "browser": "./dist/browser/index.js",
+  "react-native": "./dist/react-native/index.js",
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "browser": {
+        "types": "./dist/browser/index.d.ts",
+        "default": "./dist/browser/index.js"
+      },
+      "react-native": {
+        "types": "./dist/react-native/index.d.ts",
+        "default": "./dist/react-native/index.js"
+      },
+      "import": {
+        "types": "./dist/esm/index.d.ts",
+        "default": "./dist/esm/index.js"
+      },
+      "require": {
+        "types": "./dist/commonjs/index.d.ts",
+        "default": "./dist/commonjs/index.js"
+      }
+    }
   }
 }
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateCreateOrUpdateSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateCreateOrUpdateSample.ts
index cf9f8c64d77e..0ba020acfd83 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateCreateOrUpdateSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateCreateOrUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   IotDpsClient
 } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Add new certificate or update an existing certificate.
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary Add new certificate or update an existing certificate.
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSCertificateCreateOrUpdate.json
  */
-async function dpsCreateOrUpdateCertificate() {
+async function dpsCreateOrUpdateCertificate(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -46,7 +44,7 @@ async function dpsCreateOrUpdateCertificate() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   dpsCreateOrUpdateCertificate();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateDeleteSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateDeleteSample.ts
index 86fe6c0958fd..1ea1439379c2 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateDeleteSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Deletes the specified certificate associated with the Provisioning Service
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Deletes the specified certificate associated with the Provisioning Service
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSDeleteCertificate.json
  */
-async function dpsDeleteCertificate() {
+async function dpsDeleteCertificate(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -41,7 +39,7 @@ async function dpsDeleteCertificate() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   dpsDeleteCertificate();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateGenerateVerificationCodeSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateGenerateVerificationCodeSample.ts
index 368b3f459a30..0eb173c0031b 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateGenerateVerificationCodeSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateGenerateVerificationCodeSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Generate verification code for Proof of Possession.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Generate verification code for Proof of Possession.
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSGenerateVerificationCode.json
  */
-async function dpsGenerateVerificationCode() {
+async function dpsGenerateVerificationCode(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -41,7 +39,7 @@ async function dpsGenerateVerificationCode() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   dpsGenerateVerificationCode();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateGetSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateGetSample.ts
index 448bcba3307f..847af65d56cd 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateGetSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get the certificate from the provisioning service.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get the certificate from the provisioning service.
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSGetCertificate.json
  */
-async function dpsGetCertificate() {
+async function dpsGetCertificate(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -39,7 +37,7 @@ async function dpsGetCertificate() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   dpsGetCertificate();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateListSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateListSample.ts
index 994d64c3fc24..7bdf13ffd899 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateListSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateListSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get all the certificates tied to the provisioning service.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get all the certificates tied to the provisioning service.
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSGetCertificates.json
  */
-async function dpsGetCertificates() {
+async function dpsGetCertificates(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -37,7 +35,7 @@ async function dpsGetCertificates() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   dpsGetCertificates();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateVerifyCertificateSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateVerifyCertificateSample.ts
index 4d592f1dd515..bc8ffc4cc494 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateVerifyCertificateSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/dpsCertificateVerifyCertificateSample.ts
@@ -13,9 +13,7 @@ import {
   IotDpsClient
 } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Verifies the certificate's private key possession by providing the leaf cert issued by the verifying pre uploaded certificate.
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary Verifies the certificate's private key possession by providing the leaf cert issued by the verifying pre uploaded certificate.
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSVerifyCertificate.json
  */
-async function dpsVerifyCertificate() {
+async function dpsVerifyCertificate(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -48,7 +46,7 @@ async function dpsVerifyCertificate() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   dpsVerifyCertificate();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceCheckProvisioningServiceNameAvailabilitySample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceCheckProvisioningServiceNameAvailabilitySample.ts
index 1c3f13a16e1e..228ade9118ac 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceCheckProvisioningServiceNameAvailabilitySample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceCheckProvisioningServiceNameAvailabilitySample.ts
@@ -13,9 +13,7 @@ import {
   IotDpsClient
 } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Check if a provisioning service name is available. This will validate if the name is syntactically valid and if the name is usable
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary Check if a provisioning service name is available. This will validate if the name is syntactically valid and if the name is usable
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSCheckNameAvailability.json
  */
-async function dpsCheckName() {
+async function dpsCheckName(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -36,7 +34,7 @@ async function dpsCheckName() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   dpsCheckName();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceCreateOrUpdatePrivateEndpointConnectionSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceCreateOrUpdatePrivateEndpointConnectionSample.ts
index 916bac4798f7..b197e8f4af2c 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceCreateOrUpdatePrivateEndpointConnectionSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceCreateOrUpdatePrivateEndpointConnectionSample.ts
@@ -13,9 +13,7 @@ import {
   IotDpsClient
 } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Create or update the status of a private endpoint connection with the specified name
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary Create or update the status of a private endpoint connection with the specified name
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSCreateOrUpdatePrivateEndpointConnection.json
  */
-async function privateEndpointConnectionCreateOrUpdate() {
+async function privateEndpointConnectionCreateOrUpdate(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -51,7 +49,7 @@ async function privateEndpointConnectionCreateOrUpdate() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   privateEndpointConnectionCreateOrUpdate();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceCreateOrUpdateSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceCreateOrUpdateSample.ts
index 77be2e6d2ed1..f7fdfafd5378 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceCreateOrUpdateSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceCreateOrUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   IotDpsClient
 } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Create or update the metadata of the provisioning service. The usual pattern to modify a property is to retrieve the provisioning service metadata and security metadata, and then combine them with the modified values in a new body to update the provisioning service.
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary Create or update the metadata of the provisioning service. The usual pattern to modify a property is to retrieve the provisioning service metadata and security metadata, and then combine them with the modified values in a new body to update the provisioning service.
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSCreate.json
  */
-async function dpsCreate() {
+async function dpsCreate(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -53,7 +51,7 @@ async function dpsCreate() {
  * @summary Create or update the metadata of the provisioning service. The usual pattern to modify a property is to retrieve the provisioning service metadata and security metadata, and then combine them with the modified values in a new body to update the provisioning service.
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSUpdate.json
  */
-async function dpsUpdate() {
+async function dpsUpdate(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -83,7 +81,7 @@ async function dpsUpdate() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   dpsCreate();
   dpsUpdate();
 }
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceDeletePrivateEndpointConnectionSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceDeletePrivateEndpointConnectionSample.ts
index 277b78d54b34..85087747e497 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceDeletePrivateEndpointConnectionSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceDeletePrivateEndpointConnectionSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Delete private endpoint connection with the specified name
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Delete private endpoint connection with the specified name
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSDeletePrivateEndpointConnection.json
  */
-async function privateEndpointConnectionDelete() {
+async function privateEndpointConnectionDelete(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -39,7 +37,7 @@ async function privateEndpointConnectionDelete() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   privateEndpointConnectionDelete();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceDeleteSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceDeleteSample.ts
index 6da424913591..7afaf0932bb7 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceDeleteSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Deletes the Provisioning Service.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Deletes the Provisioning Service.
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSDelete.json
  */
-async function dpsDelete() {
+async function dpsDelete(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -37,7 +35,7 @@ async function dpsDelete() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   dpsDelete();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceGetOperationResultSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceGetOperationResultSample.ts
index 93ff420ac834..8f525dc7cdac 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceGetOperationResultSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceGetOperationResultSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Gets the status of a long running operation, such as create, update or delete a provisioning service.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Gets the status of a long running operation, such as create, update or delete a provisioning service.
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSGetOperationResult.json
  */
-async function dpsGetOperationResult() {
+async function dpsGetOperationResult(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -41,7 +39,7 @@ async function dpsGetOperationResult() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   dpsGetOperationResult();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceGetPrivateEndpointConnectionSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceGetPrivateEndpointConnectionSample.ts
index 0e4224b05695..56e978c29dda 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceGetPrivateEndpointConnectionSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceGetPrivateEndpointConnectionSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get private endpoint connection properties
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get private endpoint connection properties
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSGetPrivateEndpointConnection.json
  */
-async function privateEndpointConnectionGet() {
+async function privateEndpointConnectionGet(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -39,7 +37,7 @@ async function privateEndpointConnectionGet() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   privateEndpointConnectionGet();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceGetPrivateLinkResourcesSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceGetPrivateLinkResourcesSample.ts
index 66c4453060d9..6eb823dc9a16 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceGetPrivateLinkResourcesSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceGetPrivateLinkResourcesSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get the specified private link resource for the given provisioning service
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get the specified private link resource for the given provisioning service
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSGetPrivateLinkResources.json
  */
-async function privateLinkResourcesList() {
+async function privateLinkResourcesList(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -39,7 +37,7 @@ async function privateLinkResourcesList() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   privateLinkResourcesList();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceGetSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceGetSample.ts
index 09103e5d0339..a3a913c76f6c 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceGetSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get the metadata of the provisioning service without SAS keys.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get the metadata of the provisioning service without SAS keys.
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSGet.json
  */
-async function dpsGet() {
+async function dpsGet(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -37,7 +35,7 @@ async function dpsGet() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   dpsGet();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListByResourceGroupSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListByResourceGroupSample.ts
index 3c9fd3cf4b12..e1636ea60076 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListByResourceGroupSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListByResourceGroupSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get a list of all provisioning services in the given resource group.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get a list of all provisioning services in the given resource group.
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSListByResourceGroup.json
  */
-async function dpsListByResourceGroup() {
+async function dpsListByResourceGroup(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -38,7 +36,7 @@ async function dpsListByResourceGroup() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   dpsListByResourceGroup();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListBySubscriptionSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListBySubscriptionSample.ts
index d9f585d02862..a62b8ca4d641 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListBySubscriptionSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListBySubscriptionSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List all the provisioning services for a given subscription id.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary List all the provisioning services for a given subscription id.
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSListBySubscription.json
  */
-async function dpsListBySubscription() {
+async function dpsListBySubscription(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -33,7 +31,7 @@ async function dpsListBySubscription() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   dpsListBySubscription();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListKeysForKeyNameSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListKeysForKeyNameSample.ts
index 4c502e7784c0..d1057cef3db6 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListKeysForKeyNameSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListKeysForKeyNameSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List primary and secondary keys for a specific key name
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary List primary and secondary keys for a specific key name
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSGetKey.json
  */
-async function dpsGetKey() {
+async function dpsGetKey(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -39,7 +37,7 @@ async function dpsGetKey() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   dpsGetKey();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListKeysSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListKeysSample.ts
index d7a63b5db593..1a1ddfd27634 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListKeysSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListKeysSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List the primary and secondary keys for a provisioning service.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary List the primary and secondary keys for a provisioning service.
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSListKeys.json
  */
-async function dpsListKeys() {
+async function dpsListKeys(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -40,7 +38,7 @@ async function dpsListKeys() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   dpsListKeys();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListPrivateEndpointConnectionsSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListPrivateEndpointConnectionsSample.ts
index 66ca8b2ac0fb..127cb0e2d800 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListPrivateEndpointConnectionsSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListPrivateEndpointConnectionsSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List private endpoint connection properties
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary List private endpoint connection properties
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSListPrivateEndpointConnections.json
  */
-async function privateEndpointConnectionsList() {
+async function privateEndpointConnectionsList(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -37,7 +35,7 @@ async function privateEndpointConnectionsList() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   privateEndpointConnectionsList();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListPrivateLinkResourcesSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListPrivateLinkResourcesSample.ts
index f6a8c22fc50d..dbca18db9f41 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListPrivateLinkResourcesSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListPrivateLinkResourcesSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List private link resources for the given provisioning service
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary List private link resources for the given provisioning service
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSListPrivateLinkResources.json
  */
-async function privateLinkResourcesList() {
+async function privateLinkResourcesList(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -37,7 +35,7 @@ async function privateLinkResourcesList() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   privateLinkResourcesList();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListValidSkusSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListValidSkusSample.ts
index a7d7d4c9e687..ec612d9fa7aa 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListValidSkusSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceListValidSkusSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Gets the list of valid SKUs and tiers for a provisioning service.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Gets the list of valid SKUs and tiers for a provisioning service.
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSGetValidSku.json
  */
-async function dpsGetValidSku() {
+async function dpsGetValidSku(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -40,7 +38,7 @@ async function dpsGetValidSku() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   dpsGetValidSku();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceUpdateSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceUpdateSample.ts
index 7db555c160af..0919384b1097 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceUpdateSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/iotDpsResourceUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   IotDpsClient
 } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Update an existing provisioning service's tags. to update other fields use the CreateOrUpdate method
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary Update an existing provisioning service's tags. to update other fields use the CreateOrUpdate method
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSPatch.json
  */
-async function dpsPatch() {
+async function dpsPatch(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "91d12660-3dec-467a-be2a-213b5544ddc0";
@@ -42,7 +40,7 @@ async function dpsPatch() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   dpsPatch();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/operationsListSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/operationsListSample.ts
index df3f049f63d5..5cc00b6f16cf 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/operationsListSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples-dev/operationsListSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Lists all of the available Microsoft.Devices REST API operations.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Lists all of the available Microsoft.Devices REST API operations.
  * x-ms-original-file: specification/deviceprovisioningservices/resource-manager/Microsoft.Devices/preview/2023-03-01-preview/examples/DPSOperations.json
  */
-async function dpsOperations() {
+async function dpsOperations(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEPROVISIONINGSERVICES_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -33,7 +31,7 @@ async function dpsOperations() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   dpsOperations();
 }
 
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateCreateOrUpdateSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateCreateOrUpdateSample.ts
index f39aad2f82e5..9d13ceab8600 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateCreateOrUpdateSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateCreateOrUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   IotDpsClient
 } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Add new certificate or update an existing certificate.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateDeleteSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateDeleteSample.ts
index aeffd80f73eb..414f0d1ee2fe 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateDeleteSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Deletes the specified certificate associated with the Provisioning Service
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateGenerateVerificationCodeSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateGenerateVerificationCodeSample.ts
index 7e314edb00f7..b1bdcd61cb4c 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateGenerateVerificationCodeSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateGenerateVerificationCodeSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Generate verification code for Proof of Possession.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateGetSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateGetSample.ts
index e34734d1d632..d90df28b0dff 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateGetSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get the certificate from the provisioning service.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateListSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateListSample.ts
index 664c0fef548a..2f857ed12e17 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateListSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateListSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get all the certificates tied to the provisioning service.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateVerifyCertificateSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateVerifyCertificateSample.ts
index fc723d96b102..6cf825c5e199 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateVerifyCertificateSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/dpsCertificateVerifyCertificateSample.ts
@@ -13,9 +13,7 @@ import {
   IotDpsClient
 } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Verifies the certificate's private key possession by providing the leaf cert issued by the verifying pre uploaded certificate.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceCheckProvisioningServiceNameAvailabilitySample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceCheckProvisioningServiceNameAvailabilitySample.ts
index 11c45dd46365..b097a41d8701 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceCheckProvisioningServiceNameAvailabilitySample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceCheckProvisioningServiceNameAvailabilitySample.ts
@@ -13,9 +13,7 @@ import {
   IotDpsClient
 } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Check if a provisioning service name is available. This will validate if the name is syntactically valid and if the name is usable
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceCreateOrUpdatePrivateEndpointConnectionSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceCreateOrUpdatePrivateEndpointConnectionSample.ts
index f6ddb95ad792..4e29a20381df 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceCreateOrUpdatePrivateEndpointConnectionSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceCreateOrUpdatePrivateEndpointConnectionSample.ts
@@ -13,9 +13,7 @@ import {
   IotDpsClient
 } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Create or update the status of a private endpoint connection with the specified name
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceCreateOrUpdateSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceCreateOrUpdateSample.ts
index fab793c77472..0d8664f1374b 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceCreateOrUpdateSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceCreateOrUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   IotDpsClient
 } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Create or update the metadata of the provisioning service. The usual pattern to modify a property is to retrieve the provisioning service metadata and security metadata, and then combine them with the modified values in a new body to update the provisioning service.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceDeletePrivateEndpointConnectionSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceDeletePrivateEndpointConnectionSample.ts
index 45d877ac85db..4f3f0cfb3c3d 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceDeletePrivateEndpointConnectionSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceDeletePrivateEndpointConnectionSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Delete private endpoint connection with the specified name
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceDeleteSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceDeleteSample.ts
index 1d17b149a5fb..82ad27b633c1 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceDeleteSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Deletes the Provisioning Service.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceGetOperationResultSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceGetOperationResultSample.ts
index 56b951d6787c..604a53211afc 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceGetOperationResultSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceGetOperationResultSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Gets the status of a long running operation, such as create, update or delete a provisioning service.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceGetPrivateEndpointConnectionSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceGetPrivateEndpointConnectionSample.ts
index 70ed188aec9d..8801ca9c3eee 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceGetPrivateEndpointConnectionSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceGetPrivateEndpointConnectionSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get private endpoint connection properties
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceGetPrivateLinkResourcesSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceGetPrivateLinkResourcesSample.ts
index efc9761e7336..ef1902ce1ed0 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceGetPrivateLinkResourcesSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceGetPrivateLinkResourcesSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get the specified private link resource for the given provisioning service
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceGetSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceGetSample.ts
index 7dcb28589b36..8e2095874157 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceGetSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get the metadata of the provisioning service without SAS keys.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListByResourceGroupSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListByResourceGroupSample.ts
index dc6256b20641..8a8bb08a604c 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListByResourceGroupSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListByResourceGroupSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get a list of all provisioning services in the given resource group.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListBySubscriptionSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListBySubscriptionSample.ts
index 30bb1c044b3c..9d3c9cc185c3 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListBySubscriptionSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListBySubscriptionSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List all the provisioning services for a given subscription id.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListKeysForKeyNameSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListKeysForKeyNameSample.ts
index 15a52d495530..3d0b801bd557 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListKeysForKeyNameSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListKeysForKeyNameSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List primary and secondary keys for a specific key name
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListKeysSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListKeysSample.ts
index e1ac0f228af8..58ad6cab631e 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListKeysSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListKeysSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List the primary and secondary keys for a provisioning service.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListPrivateEndpointConnectionsSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListPrivateEndpointConnectionsSample.ts
index ea8c9156d7c3..1d661d2237b7 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListPrivateEndpointConnectionsSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListPrivateEndpointConnectionsSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List private endpoint connection properties
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListPrivateLinkResourcesSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListPrivateLinkResourcesSample.ts
index c5dcf76ad3c5..c1d6090ba641 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListPrivateLinkResourcesSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListPrivateLinkResourcesSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List private link resources for the given provisioning service
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListValidSkusSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListValidSkusSample.ts
index 8d703a3f9aa5..58bfacf3babd 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListValidSkusSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceListValidSkusSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Gets the list of valid SKUs and tiers for a provisioning service.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceUpdateSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceUpdateSample.ts
index ec00b675ed82..713ae6f4bea7 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceUpdateSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/iotDpsResourceUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   IotDpsClient
 } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Update an existing provisioning service's tags. to update other fields use the CreateOrUpdate method
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/operationsListSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/operationsListSample.ts
index 1f506810a17b..356b5fa450ff 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/operationsListSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v5/typescript/src/operationsListSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Lists all of the available Microsoft.Devices REST API operations.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateCreateOrUpdateSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateCreateOrUpdateSample.ts
index cf9f8c64d77e..bfab8aaac1f2 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateCreateOrUpdateSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateCreateOrUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   IotDpsClient
 } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Add new certificate or update an existing certificate.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateDeleteSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateDeleteSample.ts
index 86fe6c0958fd..97e4eefd2274 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateDeleteSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Deletes the specified certificate associated with the Provisioning Service
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateGenerateVerificationCodeSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateGenerateVerificationCodeSample.ts
index 368b3f459a30..ee2ccab37841 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateGenerateVerificationCodeSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateGenerateVerificationCodeSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Generate verification code for Proof of Possession.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateGetSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateGetSample.ts
index 448bcba3307f..42753a557908 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateGetSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get the certificate from the provisioning service.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateListSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateListSample.ts
index 994d64c3fc24..63e654361c28 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateListSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateListSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get all the certificates tied to the provisioning service.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateVerifyCertificateSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateVerifyCertificateSample.ts
index 4d592f1dd515..460cf5c53c6a 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateVerifyCertificateSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/dpsCertificateVerifyCertificateSample.ts
@@ -13,9 +13,7 @@ import {
   IotDpsClient
 } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Verifies the certificate's private key possession by providing the leaf cert issued by the verifying pre uploaded certificate.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceCheckProvisioningServiceNameAvailabilitySample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceCheckProvisioningServiceNameAvailabilitySample.ts
index 1c3f13a16e1e..0cfae9677f7b 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceCheckProvisioningServiceNameAvailabilitySample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceCheckProvisioningServiceNameAvailabilitySample.ts
@@ -13,9 +13,7 @@ import {
   IotDpsClient
 } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Check if a provisioning service name is available. This will validate if the name is syntactically valid and if the name is usable
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceCreateOrUpdatePrivateEndpointConnectionSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceCreateOrUpdatePrivateEndpointConnectionSample.ts
index 916bac4798f7..a95b769f8763 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceCreateOrUpdatePrivateEndpointConnectionSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceCreateOrUpdatePrivateEndpointConnectionSample.ts
@@ -13,9 +13,7 @@ import {
   IotDpsClient
 } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Create or update the status of a private endpoint connection with the specified name
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceCreateOrUpdateSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceCreateOrUpdateSample.ts
index 77be2e6d2ed1..c6507787cd3c 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceCreateOrUpdateSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceCreateOrUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   IotDpsClient
 } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Create or update the metadata of the provisioning service. The usual pattern to modify a property is to retrieve the provisioning service metadata and security metadata, and then combine them with the modified values in a new body to update the provisioning service.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceDeletePrivateEndpointConnectionSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceDeletePrivateEndpointConnectionSample.ts
index 277b78d54b34..ed43ae236bd2 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceDeletePrivateEndpointConnectionSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceDeletePrivateEndpointConnectionSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Delete private endpoint connection with the specified name
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceDeleteSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceDeleteSample.ts
index 6da424913591..663b6ece0baf 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceDeleteSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Deletes the Provisioning Service.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceGetOperationResultSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceGetOperationResultSample.ts
index 93ff420ac834..525f99313845 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceGetOperationResultSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceGetOperationResultSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Gets the status of a long running operation, such as create, update or delete a provisioning service.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceGetPrivateEndpointConnectionSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceGetPrivateEndpointConnectionSample.ts
index 0e4224b05695..394b8ab1e09d 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceGetPrivateEndpointConnectionSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceGetPrivateEndpointConnectionSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get private endpoint connection properties
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceGetPrivateLinkResourcesSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceGetPrivateLinkResourcesSample.ts
index 66c4453060d9..e5893ea65238 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceGetPrivateLinkResourcesSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceGetPrivateLinkResourcesSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get the specified private link resource for the given provisioning service
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceGetSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceGetSample.ts
index 09103e5d0339..e383f685d928 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceGetSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get the metadata of the provisioning service without SAS keys.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListByResourceGroupSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListByResourceGroupSample.ts
index 3c9fd3cf4b12..cf46377030e8 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListByResourceGroupSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListByResourceGroupSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get a list of all provisioning services in the given resource group.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListBySubscriptionSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListBySubscriptionSample.ts
index d9f585d02862..36dae83c580e 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListBySubscriptionSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListBySubscriptionSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List all the provisioning services for a given subscription id.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListKeysForKeyNameSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListKeysForKeyNameSample.ts
index 4c502e7784c0..797a9fa70090 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListKeysForKeyNameSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListKeysForKeyNameSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List primary and secondary keys for a specific key name
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListKeysSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListKeysSample.ts
index d7a63b5db593..b9cfac3cf7ec 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListKeysSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListKeysSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List the primary and secondary keys for a provisioning service.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListPrivateEndpointConnectionsSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListPrivateEndpointConnectionsSample.ts
index 66ca8b2ac0fb..baeb03324be7 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListPrivateEndpointConnectionsSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListPrivateEndpointConnectionsSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List private endpoint connection properties
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListPrivateLinkResourcesSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListPrivateLinkResourcesSample.ts
index f6a8c22fc50d..49e445b43171 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListPrivateLinkResourcesSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListPrivateLinkResourcesSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List private link resources for the given provisioning service
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListValidSkusSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListValidSkusSample.ts
index a7d7d4c9e687..17f51f7c3c02 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListValidSkusSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceListValidSkusSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Gets the list of valid SKUs and tiers for a provisioning service.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceUpdateSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceUpdateSample.ts
index 7db555c160af..30f0bec7033c 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceUpdateSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/iotDpsResourceUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   IotDpsClient
 } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Update an existing provisioning service's tags. to update other fields use the CreateOrUpdate method
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/operationsListSample.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/operationsListSample.ts
index df3f049f63d5..7b473c1fbf04 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/operationsListSample.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/samples/v6-beta/typescript/src/operationsListSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { IotDpsClient } from "@azure/arm-deviceprovisioningservices";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Lists all of the available Microsoft.Devices REST API operations.
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/index.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/index.ts
index 37f5cb3b6369..dc85f2361220 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/index.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/index.ts
@@ -7,7 +7,7 @@
  */
 
 /// <reference lib="esnext.asynciterable" />
-export { getContinuationToken } from "./pagingHelper";
-export * from "./models";
-export { IotDpsClient } from "./iotDpsClient";
-export * from "./operationsInterfaces";
+export { getContinuationToken } from "./pagingHelper.js";
+export * from "./models/index.js";
+export { IotDpsClient } from "./iotDpsClient.js";
+export * from "./operationsInterfaces/index.js";
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/iotDpsClient.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/iotDpsClient.ts
index 46323bae3fa4..eda39fd7d624 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/iotDpsClient.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/iotDpsClient.ts
@@ -18,13 +18,13 @@ import {
   OperationsImpl,
   DpsCertificateImpl,
   IotDpsResourceImpl
-} from "./operations";
+} from "./operations/index.js";
 import {
   Operations,
   DpsCertificate,
   IotDpsResource
-} from "./operationsInterfaces";
-import { IotDpsClientOptionalParams } from "./models";
+} from "./operationsInterfaces/index.js";
+import { IotDpsClientOptionalParams } from "./models/index.js";
 
 export class IotDpsClient extends coreClient.ServiceClient {
   $host: string;
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/models/parameters.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/models/parameters.ts
index 524301e60eee..bbb11b23f6ff 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/models/parameters.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/models/parameters.ts
@@ -18,7 +18,7 @@ import {
   TagsResource as TagsResourceMapper,
   OperationInputs as OperationInputsMapper,
   PrivateEndpointConnection as PrivateEndpointConnectionMapper
-} from "../models/mappers";
+} from "../models/mappers.js";
 
 export const accept: OperationParameter = {
   parameterPath: "accept",
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operations/dpsCertificate.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operations/dpsCertificate.ts
index 94860ac1f0bd..0a4fb72d236f 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operations/dpsCertificate.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operations/dpsCertificate.ts
@@ -6,11 +6,11 @@
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
  */
 
-import { DpsCertificate } from "../operationsInterfaces";
+import { DpsCertificate } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { IotDpsClient } from "../iotDpsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { IotDpsClient } from "../iotDpsClient.js";
 import {
   DpsCertificateGetOptionalParams,
   DpsCertificateGetResponse,
@@ -25,7 +25,7 @@ import {
   VerificationCodeRequest,
   DpsCertificateVerifyCertificateOptionalParams,
   DpsCertificateVerifyCertificateResponse
-} from "../models";
+} from "../models/index.js";
 
 /** Class containing DpsCertificate operations. */
 export class DpsCertificateImpl implements DpsCertificate {
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operations/index.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operations/index.ts
index c81af0ebcdb9..2c12193bc6a8 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operations/index.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operations/index.ts
@@ -6,6 +6,6 @@
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
  */
 
-export * from "./operations";
-export * from "./dpsCertificate";
-export * from "./iotDpsResource";
+export * from "./operations.js";
+export * from "./dpsCertificate.js";
+export * from "./iotDpsResource.js";
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operations/iotDpsResource.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operations/iotDpsResource.ts
index b6bfd774dd1e..5a9e9b38806d 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operations/iotDpsResource.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operations/iotDpsResource.ts
@@ -7,18 +7,18 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { IotDpsResource } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { IotDpsResource } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { IotDpsClient } from "../iotDpsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { IotDpsClient } from "../iotDpsClient.js";
 import {
   SimplePollerLike,
   OperationState,
   createHttpPoller
 } from "@azure/core-lro";
-import { createLroSpec } from "../lroImpl";
+import { createLroSpec } from "../lroImpl.js";
 import {
   ProvisioningServiceDescription,
   IotDpsResourceListBySubscriptionNextOptionalParams,
@@ -67,7 +67,7 @@ import {
   IotDpsResourceListByResourceGroupNextResponse,
   IotDpsResourceListValidSkusNextResponse,
   IotDpsResourceListKeysNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing IotDpsResource operations. */
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operations/operations.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operations/operations.ts
index b42d6d668620..68c4a8fc53ad 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operations/operations.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operations/operations.ts
@@ -7,19 +7,19 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { Operations } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { Operations } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { IotDpsClient } from "../iotDpsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { IotDpsClient } from "../iotDpsClient.js";
 import {
   Operation,
   OperationsListNextOptionalParams,
   OperationsListOptionalParams,
   OperationsListResponse,
   OperationsListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing Operations operations. */
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operationsInterfaces/dpsCertificate.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operationsInterfaces/dpsCertificate.ts
index a1682492b9d5..84d2037cfdf6 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operationsInterfaces/dpsCertificate.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operationsInterfaces/dpsCertificate.ts
@@ -20,7 +20,7 @@ import {
   VerificationCodeRequest,
   DpsCertificateVerifyCertificateOptionalParams,
   DpsCertificateVerifyCertificateResponse
-} from "../models";
+} from "../models/index.js";
 
 /** Interface representing a DpsCertificate. */
 export interface DpsCertificate {
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operationsInterfaces/index.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operationsInterfaces/index.ts
index c81af0ebcdb9..2c12193bc6a8 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operationsInterfaces/index.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operationsInterfaces/index.ts
@@ -6,6 +6,6 @@
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
  */
 
-export * from "./operations";
-export * from "./dpsCertificate";
-export * from "./iotDpsResource";
+export * from "./operations.js";
+export * from "./dpsCertificate.js";
+export * from "./iotDpsResource.js";
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operationsInterfaces/iotDpsResource.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operationsInterfaces/iotDpsResource.ts
index 917efc8063b8..d6e15701ab0b 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operationsInterfaces/iotDpsResource.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operationsInterfaces/iotDpsResource.ts
@@ -44,7 +44,7 @@ import {
   IotDpsResourceCreateOrUpdatePrivateEndpointConnectionResponse,
   IotDpsResourceDeletePrivateEndpointConnectionOptionalParams,
   IotDpsResourceDeletePrivateEndpointConnectionResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a IotDpsResource. */
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operationsInterfaces/operations.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operationsInterfaces/operations.ts
index 1f3ee5b36a08..3d66be6873bd 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operationsInterfaces/operations.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/src/operationsInterfaces/operations.ts
@@ -7,7 +7,7 @@
  */
 
 import { PagedAsyncIterableIterator } from "@azure/core-paging";
-import { Operation, OperationsListOptionalParams } from "../models";
+import { Operation, OperationsListOptionalParams } from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a Operations. */
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/test/deviceprovisioningservices_operations_test.spec.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/test/deviceprovisioningservices_operations_test.spec.ts
index a35a670b8f36..9b5ca6d19317 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/test/deviceprovisioningservices_operations_test.spec.ts
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/test/deviceprovisioningservices_operations_test.spec.ts
@@ -10,13 +10,11 @@ import {
   env,
   Recorder,
   RecorderStartOptions,
-  delay,
   isPlaybackMode,
 } from "@azure-tools/test-recorder";
 import { createTestCredential } from "@azure-tools/test-credential";
-import { assert } from "chai";
-import { Context } from "mocha";
-import { IotDpsClient } from "../src/iotDpsClient";
+import { IotDpsClient } from "../src/iotDpsClient.js";
+import { describe, it, assert, beforeEach, afterEach } from "vitest";
 
 const replaceableVariables: Record<string, string> = {
   AZURE_CLIENT_ID: "azure_client_id",
@@ -45,8 +43,8 @@ describe("deviceprovisioningservices test", () => {
   let resourceGroup: string;
   let resourcename: string;
 
-  beforeEach(async function (this: Context) {
-    recorder = new Recorder(this.currentTest);
+  beforeEach(async function (ctx) {
+    recorder = new Recorder(ctx);
     await recorder.start(recorderOptions);
     subscriptionId = env.SUBSCRIPTION_ID || '';
     // This is an example of how the environment variables are used
@@ -91,7 +89,7 @@ describe("deviceprovisioningservices test", () => {
 
   it("iotDpsResource delete test", async function () {
     const resArray = new Array();
-    const res = await client.iotDpsResource.beginDeleteAndWait(resourceGroup, resourcename, testPollingOptions)
+    await client.iotDpsResource.beginDeleteAndWait(resourceGroup, resourcename, testPollingOptions)
     for await (let item of client.iotDpsResource.listByResourceGroup(resourceGroup)) {
       resArray.push(item);
     }
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/tsconfig.browser.config.json b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/tsconfig.browser.config.json
new file mode 100644
index 000000000000..0c8bafa97126
--- /dev/null
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/tsconfig.browser.config.json
@@ -0,0 +1,6 @@
+{
+  "extends": [
+    "./tsconfig.test.json",
+    "../../../tsconfig.browser.base.json"
+  ]
+}
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/tsconfig.json b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/tsconfig.json
index 8bfdb03c3341..19ceb382b521 100644
--- a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/tsconfig.json
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/tsconfig.json
@@ -1,33 +1,13 @@
 {
-  "compilerOptions": {
-    "module": "es6",
-    "moduleResolution": "node",
-    "strict": true,
-    "target": "es6",
-    "sourceMap": true,
-    "declarationMap": true,
-    "esModuleInterop": true,
-    "allowSyntheticDefaultImports": true,
-    "forceConsistentCasingInFileNames": true,
-    "lib": [
-      "es6",
-      "dom"
-    ],
-    "declaration": true,
-    "outDir": "./dist-esm",
-    "importHelpers": true,
-    "paths": {
-      "@azure/arm-deviceprovisioningservices": [
-        "./src/index"
-      ]
+  "references": [
+    {
+      "path": "./tsconfig.src.json"
+    },
+    {
+      "path": "./tsconfig.samples.json"
+    },
+    {
+      "path": "./tsconfig.test.json"
     }
-  },
-  "include": [
-    "./src/**/*.ts",
-    "./test/**/*.ts",
-    "samples-dev/**/*.ts"
-  ],
-  "exclude": [
-    "node_modules"
   ]
-}
\ No newline at end of file
+}
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/tsconfig.samples.json b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/tsconfig.samples.json
new file mode 100644
index 000000000000..dacc5812f411
--- /dev/null
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/tsconfig.samples.json
@@ -0,0 +1,10 @@
+{
+  "extends": "../../../tsconfig.samples.base.json",
+  "compilerOptions": {
+    "paths": {
+      "@azure/arm-deviceprovisioningservices": [
+        "./dist/esm"
+      ]
+    }
+  }
+}
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/tsconfig.src.json b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/tsconfig.src.json
new file mode 100644
index 000000000000..bae70752dd38
--- /dev/null
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/tsconfig.src.json
@@ -0,0 +1,3 @@
+{
+  "extends": "../../../tsconfig.lib.json"
+}
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/tsconfig.test.json b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/tsconfig.test.json
new file mode 100644
index 000000000000..3c2b783a8c1b
--- /dev/null
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/tsconfig.test.json
@@ -0,0 +1,6 @@
+{
+  "extends": [
+    "./tsconfig.src.json",
+    "../../../tsconfig.test.base.json"
+  ]
+}
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/vitest.browser.config.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/vitest.browser.config.ts
new file mode 100644
index 000000000000..182729ab5ce9
--- /dev/null
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/vitest.browser.config.ts
@@ -0,0 +1,17 @@
+
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+import { defineConfig, mergeConfig } from "vitest/config";
+import viteConfig from "../../../vitest.browser.shared.config.ts";
+
+export default mergeConfig(
+  viteConfig,
+  defineConfig({
+    test: {
+      include: ["dist-test/browser/test/**/*.spec.js",],
+      testTimeout: 1200000,
+      hookTimeout: 1200000,
+    },
+  }),
+);
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/vitest.config.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/vitest.config.ts
new file mode 100644
index 000000000000..40e031385dd8
--- /dev/null
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/vitest.config.ts
@@ -0,0 +1,16 @@
+
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+import { defineConfig, mergeConfig } from "vitest/config";
+import viteConfig from "../../../vitest.shared.config.ts";
+
+export default mergeConfig(
+  viteConfig,
+  defineConfig({
+    test: {
+      testTimeout: 1200000,
+      hookTimeout: 1200000,
+    },
+  }),
+);
diff --git a/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/vitest.esm.config.ts b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/vitest.esm.config.ts
new file mode 100644
index 000000000000..a70127279fc9
--- /dev/null
+++ b/sdk/deviceprovisioningservices/arm-deviceprovisioningservices/vitest.esm.config.ts
@@ -0,0 +1,12 @@
+
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+import { mergeConfig } from "vitest/config";
+import vitestConfig from "./vitest.config.ts";
+import vitestEsmConfig from "../../../vitest.esm.shared.config.ts";
+
+export default mergeConfig(
+  vitestConfig,
+  vitestEsmConfig
+);
diff --git a/sdk/deviceupdate/arm-deviceupdate/api-extractor.json b/sdk/deviceupdate/arm-deviceupdate/api-extractor.json
index 502f89b063d9..6d4875caee65 100644
--- a/sdk/deviceupdate/arm-deviceupdate/api-extractor.json
+++ b/sdk/deviceupdate/arm-deviceupdate/api-extractor.json
@@ -1,6 +1,6 @@
 {
   "$schema": "https://developer.microsoft.com/json-schemas/api-extractor/v7/api-extractor.schema.json",
-  "mainEntryPointFilePath": "./dist-esm/src/index.d.ts",
+  "mainEntryPointFilePath": "dist/esm/index.d.ts",
   "docModel": {
     "enabled": true
   },
@@ -11,7 +11,7 @@
   "dtsRollup": {
     "enabled": true,
     "untrimmedFilePath": "",
-    "publicTrimmedFilePath": "./types/arm-deviceupdate.d.ts"
+    "publicTrimmedFilePath": "dist/arm-deviceupdate.d.ts"
   },
   "messages": {
     "tsdocMessageReporting": {
@@ -28,4 +28,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/sdk/deviceupdate/arm-deviceupdate/package.json b/sdk/deviceupdate/arm-deviceupdate/package.json
index db8efb82398a..7bfff6f65feb 100644
--- a/sdk/deviceupdate/arm-deviceupdate/package.json
+++ b/sdk/deviceupdate/arm-deviceupdate/package.json
@@ -24,22 +24,22 @@
     "isomorphic"
   ],
   "license": "MIT",
-  "main": "./dist/index.js",
-  "module": "./dist-esm/src/index.js",
-  "types": "./types/arm-deviceupdate.d.ts",
+  "main": "./dist/commonjs/index.js",
+  "module": "./dist/esm/index.js",
+  "types": "./dist/commonjs/index.d.ts",
   "devDependencies": {
-    "@azure-tools/test-credential": "^1.0.0",
-    "@azure-tools/test-recorder": "^3.0.0",
+    "@azure-tools/test-credential": "^2.0.0",
+    "@azure-tools/test-recorder": "^4.1.0",
+    "@azure-tools/test-utils-vitest": "^1.0.0",
     "@azure/dev-tool": "^1.0.0",
     "@azure/identity": "^4.0.1",
-    "@types/chai": "^4.2.8",
-    "@types/mocha": "^10.0.0",
     "@types/node": "^18.0.0",
-    "chai": "^4.2.0",
+    "@vitest/browser": "^2.1.8",
+    "@vitest/coverage-istanbul": "^2.1.8",
     "dotenv": "^16.0.0",
-    "mocha": "^11.0.2",
-    "ts-node": "^10.0.0",
-    "typescript": "~5.7.2"
+    "playwright": "^1.49.1",
+    "typescript": "~5.7.2",
+    "vitest": "^2.1.8"
   },
   "repository": {
     "type": "git",
@@ -49,24 +49,14 @@
     "url": "https://github.com/Azure/azure-sdk-for-js/issues"
   },
   "files": [
-    "dist/**/*.js",
-    "dist/**/*.js.map",
-    "dist/**/*.d.ts",
-    "dist/**/*.d.ts.map",
-    "dist-esm/**/*.js",
-    "dist-esm/**/*.js.map",
-    "dist-esm/**/*.d.ts",
-    "dist-esm/**/*.d.ts.map",
-    "src/**/*.ts",
+    "dist/",
     "README.md",
     "LICENSE",
-    "tsconfig.json",
-    "review/*",
-    "CHANGELOG.md",
-    "types/*"
+    "review/",
+    "CHANGELOG.md"
   ],
   "scripts": {
-    "build": "npm run clean && tsc && dev-tool run bundle && npm run minify && dev-tool run vendored mkdirp ./review && npm run extract-api",
+    "build": "npm run clean && dev-tool run build-package && dev-tool run vendored mkdirp ./review && dev-tool run extract-api",
     "build:browser": "echo skipped",
     "build:node": "echo skipped",
     "build:samples": "echo skipped.",
@@ -78,7 +68,7 @@
     "format": "echo skipped",
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
-    "integration-test:node": "dev-tool run test:node-ts-input -- --timeout 1200000 'test/*.ts'",
+    "integration-test:node": "dev-tool run test:vitest --esm",
     "lint": "echo skipped",
     "minify": "dev-tool run vendored uglifyjs -c -m --comments --source-map \"content='./dist/index.js.map'\" -o ./dist/index.min.js ./dist/index.js",
     "pack": "npm pack 2>&1",
@@ -88,7 +78,7 @@
     "test:node": "echo skipped",
     "unit-test": "npm run unit-test:node && npm run unit-test:browser",
     "unit-test:browser": "echo skipped",
-    "unit-test:node": "dev-tool run vendored cross-env TEST_MODE=playback npm run integration-test:node",
+    "unit-test:node": "dev-tool run test:vitest",
     "update-snippets": "echo skipped"
   },
   "sideEffects": false,
@@ -109,5 +99,45 @@
     ],
     "disableDocsMs": true,
     "apiRefLink": "https://learn.microsoft.com/javascript/api/@azure/arm-deviceupdate?view=azure-node-preview"
+  },
+  "type": "module",
+  "tshy": {
+    "project": "./tsconfig.src.json",
+    "exports": {
+      "./package.json": "./package.json",
+      ".": "./src/index.ts"
+    },
+    "dialects": [
+      "esm",
+      "commonjs"
+    ],
+    "esmDialects": [
+      "browser",
+      "react-native"
+    ],
+    "selfLink": false
+  },
+  "browser": "./dist/browser/index.js",
+  "react-native": "./dist/react-native/index.js",
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "browser": {
+        "types": "./dist/browser/index.d.ts",
+        "default": "./dist/browser/index.js"
+      },
+      "react-native": {
+        "types": "./dist/react-native/index.d.ts",
+        "default": "./dist/react-native/index.js"
+      },
+      "import": {
+        "types": "./dist/esm/index.d.ts",
+        "default": "./dist/esm/index.js"
+      },
+      "require": {
+        "types": "./dist/commonjs/index.d.ts",
+        "default": "./dist/commonjs/index.js"
+      }
+    }
   }
 }
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsCreateSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsCreateSample.ts
index fb613f8c9218..b7611a1f1c5b 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsCreateSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsCreateSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { Account, DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Creates or updates Account.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Creates or updates Account.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/Accounts/Accounts_Create.json
  */
-async function createsOrUpdatesAccount() {
+async function createsOrUpdatesAccount(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -51,7 +49,7 @@ async function createsOrUpdatesAccount() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   createsOrUpdatesAccount();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsDeleteSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsDeleteSample.ts
index e656ecbe7b35..b589299dfe0a 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsDeleteSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Deletes account.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Deletes account.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/Accounts/Accounts_Delete.json
  */
-async function deletesAnAccount() {
+async function deletesAnAccount(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -36,7 +34,7 @@ async function deletesAnAccount() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   deletesAnAccount();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsGetSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsGetSample.ts
index 57f588d5ca16..1e5c01751689 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsGetSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Returns account details for the given account name.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Returns account details for the given account name.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/Accounts/Accounts_Get.json
  */
-async function getsAccountDetails() {
+async function getsAccountDetails(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -33,7 +31,7 @@ async function getsAccountDetails() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getsAccountDetails();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsHeadSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsHeadSample.ts
index fa161ac82087..fde4095a828f 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsHeadSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsHeadSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Checks whether account exists.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Checks whether account exists.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/Accounts/Accounts_Head.json
  */
-async function checksWhetherAccountExists() {
+async function checksWhetherAccountExists(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -33,7 +31,7 @@ async function checksWhetherAccountExists() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   checksWhetherAccountExists();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsListByResourceGroupSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsListByResourceGroupSample.ts
index 29665488ecdd..e7fb8e15ea2a 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsListByResourceGroupSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsListByResourceGroupSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Returns list of Accounts.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Returns list of Accounts.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/Accounts/Accounts_List.json
  */
-async function getsListOfAccounts() {
+async function getsListOfAccounts(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -37,7 +35,7 @@ async function getsListOfAccounts() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getsListOfAccounts();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsListBySubscriptionSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsListBySubscriptionSample.ts
index 04e86a5327cf..2d97e37e5003 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsListBySubscriptionSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsListBySubscriptionSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Returns list of Accounts.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Returns list of Accounts.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/Accounts/Accounts_List.json
  */
-async function getListOfAccounts() {
+async function getListOfAccounts(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -33,7 +31,7 @@ async function getListOfAccounts() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getListOfAccounts();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsUpdateSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsUpdateSample.ts
index 651dd524f732..5eeb295b0634 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsUpdateSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/accountsUpdateSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AccountUpdate, DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Updates account's patchable properties
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Updates account's patchable properties
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/Accounts/Accounts_Update.json
  */
-async function updatesAccount() {
+async function updatesAccount(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -38,7 +36,7 @@ async function updatesAccount() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   updatesAccount();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/checkNameAvailabilitySample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/checkNameAvailabilitySample.ts
index e255e87b1308..b0b8132bfc2e 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/checkNameAvailabilitySample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/checkNameAvailabilitySample.ts
@@ -13,9 +13,7 @@ import {
   DeviceUpdate
 } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Checks ADU resource name availability.
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary Checks ADU resource name availability.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/CheckNameAvailability_AlreadyExists.json
  */
-async function checkNameAvailabilityAlreadyExists() {
+async function checkNameAvailabilityAlreadyExists(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -43,7 +41,7 @@ async function checkNameAvailabilityAlreadyExists() {
  * @summary Checks ADU resource name availability.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/CheckNameAvailability_Available.json
  */
-async function checkNameAvailabilityAvailable() {
+async function checkNameAvailabilityAvailable(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -57,7 +55,7 @@ async function checkNameAvailabilityAvailable() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   checkNameAvailabilityAlreadyExists();
   checkNameAvailabilityAvailable();
 }
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesCreateSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesCreateSample.ts
index 853b6d02b365..2be87a292e17 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesCreateSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesCreateSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { Instance, DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Creates or updates instance.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Creates or updates instance.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/Instances/Instances_Create.json
  */
-async function createsOrUpdatesInstance() {
+async function createsOrUpdatesInstance(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -55,7 +53,7 @@ async function createsOrUpdatesInstance() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   createsOrUpdatesInstance();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesDeleteSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesDeleteSample.ts
index dfda85477d50..89a3772a8ae3 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesDeleteSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Deletes instance.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Deletes instance.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/Instances/Instances_Delete.json
  */
-async function deletesInstance() {
+async function deletesInstance(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -38,7 +36,7 @@ async function deletesInstance() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   deletesInstance();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesGetSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesGetSample.ts
index a6254684fc25..da96737be822 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesGetSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Returns instance details for the given instance and account name.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Returns instance details for the given instance and account name.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/Instances/Instances_Get.json
  */
-async function getsListOfInstances() {
+async function getsListOfInstances(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -38,7 +36,7 @@ async function getsListOfInstances() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getsListOfInstances();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesHeadSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesHeadSample.ts
index 29739110595a..6472097ddeb6 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesHeadSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesHeadSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Checks whether instance exists.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Checks whether instance exists.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/Instances/Instances_Head.json
  */
-async function checksWhetherInstanceExists() {
+async function checksWhetherInstanceExists(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -38,7 +36,7 @@ async function checksWhetherInstanceExists() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   checksWhetherInstanceExists();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesListByAccountSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesListByAccountSample.ts
index c7146702b84c..6e3fb2719abc 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesListByAccountSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesListByAccountSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Returns instances for the given account name.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Returns instances for the given account name.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/Instances/Instances_ListByAccount.json
  */
-async function getsListOfInstancesByAccount() {
+async function getsListOfInstancesByAccount(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -39,7 +37,7 @@ async function getsListOfInstancesByAccount() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getsListOfInstancesByAccount();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesUpdateSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesUpdateSample.ts
index b9219c09ac06..84155b2e944a 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesUpdateSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/instancesUpdateSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { TagUpdate, DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Updates instance's tags.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Updates instance's tags.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/Instances/Instances_Update.json
  */
-async function updatesInstance() {
+async function updatesInstance(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -40,7 +38,7 @@ async function updatesInstance() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   updatesInstance();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/operationsListSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/operationsListSample.ts
index 193f33deb270..856281118a2b 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/operationsListSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/operationsListSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Returns list of operations for Microsoft.DeviceUpdate resource provider.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Returns list of operations for Microsoft.DeviceUpdate resource provider.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/Operations_List.json
  */
-async function getsListOfOperations() {
+async function getsListOfOperations(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -33,7 +31,7 @@ async function getsListOfOperations() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getsListOfOperations();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesCreateOrUpdateSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesCreateOrUpdateSample.ts
index 0a093808845f..685fa699d6a0 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesCreateOrUpdateSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesCreateOrUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   DeviceUpdate
 } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to (INTERNAL - DO NOT USE) Creates or updates the specified private endpoint connection proxy resource associated with the device update account.
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary (INTERNAL - DO NOT USE) Creates or updates the specified private endpoint connection proxy resource associated with the device update account.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/PrivateEndpointConnectionProxies/PrivateEndpointConnectionProxy_CreateOrUpdate.json
  */
-async function privateEndpointConnectionProxyCreateOrUpdate() {
+async function privateEndpointConnectionProxyCreateOrUpdate(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -66,7 +64,7 @@ async function privateEndpointConnectionProxyCreateOrUpdate() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   privateEndpointConnectionProxyCreateOrUpdate();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesDeleteSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesDeleteSample.ts
index 20c363860ca0..33ac206dd728 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesDeleteSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to (INTERNAL - DO NOT USE) Deletes the specified private endpoint connection proxy associated with the device update account.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary (INTERNAL - DO NOT USE) Deletes the specified private endpoint connection proxy associated with the device update account.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/PrivateEndpointConnectionProxies/PrivateEndpointConnectionProxy_Delete.json
  */
-async function privateEndpointConnectionProxyDelete() {
+async function privateEndpointConnectionProxyDelete(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -38,7 +36,7 @@ async function privateEndpointConnectionProxyDelete() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   privateEndpointConnectionProxyDelete();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesGetSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesGetSample.ts
index 8585c6155428..3125bb418886 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesGetSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to (INTERNAL - DO NOT USE) Get the specified private endpoint connection proxy associated with the device update account.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary (INTERNAL - DO NOT USE) Get the specified private endpoint connection proxy associated with the device update account.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/PrivateEndpointConnectionProxies/PrivateEndpointConnectionProxy_Get.json
  */
-async function privateEndpointConnectionProxyGet() {
+async function privateEndpointConnectionProxyGet(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -38,7 +36,7 @@ async function privateEndpointConnectionProxyGet() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   privateEndpointConnectionProxyGet();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesListByAccountSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesListByAccountSample.ts
index a1eacf534ac8..b31af2c4e9ac 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesListByAccountSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesListByAccountSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to (INTERNAL - DO NOT USE) List all private endpoint connection proxies in a device update account.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary (INTERNAL - DO NOT USE) List all private endpoint connection proxies in a device update account.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/PrivateEndpointConnectionProxies/PrivateEndpointConnectionProxy_ListByAccount.json
  */
-async function privateEndpointConnectionProxyList() {
+async function privateEndpointConnectionProxyList(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -39,7 +37,7 @@ async function privateEndpointConnectionProxyList() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   privateEndpointConnectionProxyList();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesUpdatePrivateEndpointPropertiesSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesUpdatePrivateEndpointPropertiesSample.ts
index bb27b5765650..16382062f5c5 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesUpdatePrivateEndpointPropertiesSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesUpdatePrivateEndpointPropertiesSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { PrivateEndpointUpdate, DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to (INTERNAL - DO NOT USE) Updates a private endpoint inside the private endpoint connection proxy object.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary (INTERNAL - DO NOT USE) Updates a private endpoint inside the private endpoint connection proxy object.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/PrivateEndpointConnectionProxies/PrivateEndpointConnectionProxy_PrivateEndpointUpdate.json
  */
-async function privateEndpointConnectionProxyPrivateEndpointUpdate() {
+async function privateEndpointConnectionProxyPrivateEndpointUpdate(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -48,7 +46,7 @@ async function privateEndpointConnectionProxyPrivateEndpointUpdate() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   privateEndpointConnectionProxyPrivateEndpointUpdate();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesValidateSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesValidateSample.ts
index 87e7cc1b0216..519f0295eb7f 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesValidateSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionProxiesValidateSample.ts
@@ -13,9 +13,7 @@ import {
   DeviceUpdate
 } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to (INTERNAL - DO NOT USE) Validates a private endpoint connection proxy object.
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary (INTERNAL - DO NOT USE) Validates a private endpoint connection proxy object.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/PrivateEndpointConnectionProxies/PrivateEndpointConnectionProxy_Validate.json
  */
-async function privateEndpointConnectionProxyValidate() {
+async function privateEndpointConnectionProxyValidate(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -66,7 +64,7 @@ async function privateEndpointConnectionProxyValidate() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   privateEndpointConnectionProxyValidate();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionsCreateOrUpdateSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionsCreateOrUpdateSample.ts
index 5c75b3fa536c..95284705f7ac 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionsCreateOrUpdateSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionsCreateOrUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   DeviceUpdate
 } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Update the state of specified private endpoint connection associated with the device update account.
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary Update the state of specified private endpoint connection associated with the device update account.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/PrivateEndpointConnections/PrivateEndpointConnection_CreateOrUpdate.json
  */
-async function privateEndpointConnectionCreateOrUpdate() {
+async function privateEndpointConnectionCreateOrUpdate(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -48,7 +46,7 @@ async function privateEndpointConnectionCreateOrUpdate() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   privateEndpointConnectionCreateOrUpdate();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionsDeleteSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionsDeleteSample.ts
index a1788179b452..c8aebc30496e 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionsDeleteSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionsDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Deletes the specified private endpoint connection associated with the device update account.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Deletes the specified private endpoint connection associated with the device update account.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/PrivateEndpointConnections/PrivateEndpointConnection_Delete.json
  */
-async function privateEndpointConnectionDelete() {
+async function privateEndpointConnectionDelete(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -38,7 +36,7 @@ async function privateEndpointConnectionDelete() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   privateEndpointConnectionDelete();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionsGetSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionsGetSample.ts
index d74158bd3163..21ca15b7e898 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionsGetSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionsGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get the specified private endpoint connection associated with the device update account.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get the specified private endpoint connection associated with the device update account.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/PrivateEndpointConnections/PrivateEndpointConnection_Get.json
  */
-async function privateEndpointConnectionGet() {
+async function privateEndpointConnectionGet(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -38,7 +36,7 @@ async function privateEndpointConnectionGet() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   privateEndpointConnectionGet();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionsListByAccountSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionsListByAccountSample.ts
index c1abd393daeb..0361d1f3e432 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionsListByAccountSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateEndpointConnectionsListByAccountSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List all private endpoint connections in a device update account.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary List all private endpoint connections in a device update account.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/PrivateEndpointConnections/PrivateEndpointConnection_ListByAccount.json
  */
-async function privateEndpointConnectionList() {
+async function privateEndpointConnectionList(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -39,7 +37,7 @@ async function privateEndpointConnectionList() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   privateEndpointConnectionList();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateLinkResourcesGetSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateLinkResourcesGetSample.ts
index d7c623385b32..8b66aa791d1e 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateLinkResourcesGetSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateLinkResourcesGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get the specified private link resource associated with the device update account.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get the specified private link resource associated with the device update account.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/PrivateLinkResources/PrivateLinkResources_Get.json
  */
-async function privateLinkResourcesGet() {
+async function privateLinkResourcesGet(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -38,7 +36,7 @@ async function privateLinkResourcesGet() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   privateLinkResourcesGet();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateLinkResourcesListByAccountSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateLinkResourcesListByAccountSample.ts
index 3cb684ff6914..43cf745166ec 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateLinkResourcesListByAccountSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples-dev/privateLinkResourcesListByAccountSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List all private link resources in a device update account.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary List all private link resources in a device update account.
  * x-ms-original-file: specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/stable/2023-07-01/examples/PrivateLinkResources/PrivateLinkResources_ListByAccount.json
  */
-async function privateLinkResourcesList() {
+async function privateLinkResourcesList(): Promise<void> {
   const subscriptionId =
     process.env["DEVICEUPDATE_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -39,7 +37,7 @@ async function privateLinkResourcesList() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   privateLinkResourcesList();
 }
 
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsCreateSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsCreateSample.ts
index fb613f8c9218..a516305b3f66 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsCreateSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsCreateSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { Account, DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Creates or updates Account.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsDeleteSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsDeleteSample.ts
index e656ecbe7b35..78b34a80a2dc 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsDeleteSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Deletes account.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsGetSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsGetSample.ts
index 57f588d5ca16..cc4b928e829a 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsGetSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Returns account details for the given account name.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsHeadSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsHeadSample.ts
index fa161ac82087..f75099560e3e 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsHeadSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsHeadSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Checks whether account exists.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsListByResourceGroupSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsListByResourceGroupSample.ts
index 29665488ecdd..b3600a4765a8 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsListByResourceGroupSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsListByResourceGroupSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Returns list of Accounts.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsListBySubscriptionSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsListBySubscriptionSample.ts
index 04e86a5327cf..050ba60ef314 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsListBySubscriptionSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsListBySubscriptionSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Returns list of Accounts.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsUpdateSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsUpdateSample.ts
index 651dd524f732..4e8f3e220e0c 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsUpdateSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/accountsUpdateSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AccountUpdate, DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Updates account's patchable properties
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/checkNameAvailabilitySample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/checkNameAvailabilitySample.ts
index e255e87b1308..7d8f3b554d92 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/checkNameAvailabilitySample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/checkNameAvailabilitySample.ts
@@ -13,9 +13,7 @@ import {
   DeviceUpdate
 } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Checks ADU resource name availability.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesCreateSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesCreateSample.ts
index 853b6d02b365..fe38f8a612f3 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesCreateSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesCreateSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { Instance, DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Creates or updates instance.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesDeleteSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesDeleteSample.ts
index dfda85477d50..19b302a8eab1 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesDeleteSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Deletes instance.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesGetSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesGetSample.ts
index a6254684fc25..77a5a847e68b 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesGetSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Returns instance details for the given instance and account name.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesHeadSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesHeadSample.ts
index 29739110595a..c7dc1fe65c0b 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesHeadSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesHeadSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Checks whether instance exists.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesListByAccountSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesListByAccountSample.ts
index c7146702b84c..0db007f3e20b 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesListByAccountSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesListByAccountSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Returns instances for the given account name.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesUpdateSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesUpdateSample.ts
index b9219c09ac06..e422643b0455 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesUpdateSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/instancesUpdateSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { TagUpdate, DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Updates instance's tags.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/operationsListSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/operationsListSample.ts
index 193f33deb270..87970b0868ec 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/operationsListSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/operationsListSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Returns list of operations for Microsoft.DeviceUpdate resource provider.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesCreateOrUpdateSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesCreateOrUpdateSample.ts
index 0a093808845f..e0386ac59967 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesCreateOrUpdateSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesCreateOrUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   DeviceUpdate
 } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to (INTERNAL - DO NOT USE) Creates or updates the specified private endpoint connection proxy resource associated with the device update account.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesDeleteSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesDeleteSample.ts
index 20c363860ca0..2d7bbe7c7dd1 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesDeleteSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to (INTERNAL - DO NOT USE) Deletes the specified private endpoint connection proxy associated with the device update account.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesGetSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesGetSample.ts
index 8585c6155428..260bcf6f4d8c 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesGetSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to (INTERNAL - DO NOT USE) Get the specified private endpoint connection proxy associated with the device update account.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesListByAccountSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesListByAccountSample.ts
index a1eacf534ac8..269f65645600 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesListByAccountSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesListByAccountSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to (INTERNAL - DO NOT USE) List all private endpoint connection proxies in a device update account.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesUpdatePrivateEndpointPropertiesSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesUpdatePrivateEndpointPropertiesSample.ts
index bb27b5765650..26883028afb3 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesUpdatePrivateEndpointPropertiesSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesUpdatePrivateEndpointPropertiesSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { PrivateEndpointUpdate, DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to (INTERNAL - DO NOT USE) Updates a private endpoint inside the private endpoint connection proxy object.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesValidateSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesValidateSample.ts
index 87e7cc1b0216..e495011cb443 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesValidateSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionProxiesValidateSample.ts
@@ -13,9 +13,7 @@ import {
   DeviceUpdate
 } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to (INTERNAL - DO NOT USE) Validates a private endpoint connection proxy object.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionsCreateOrUpdateSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionsCreateOrUpdateSample.ts
index 5c75b3fa536c..5ff15c214f33 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionsCreateOrUpdateSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionsCreateOrUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   DeviceUpdate
 } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Update the state of specified private endpoint connection associated with the device update account.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionsDeleteSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionsDeleteSample.ts
index a1788179b452..5e081a4db337 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionsDeleteSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionsDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Deletes the specified private endpoint connection associated with the device update account.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionsGetSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionsGetSample.ts
index d74158bd3163..c80c18c8cab8 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionsGetSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionsGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get the specified private endpoint connection associated with the device update account.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionsListByAccountSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionsListByAccountSample.ts
index c1abd393daeb..893e872dd359 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionsListByAccountSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateEndpointConnectionsListByAccountSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List all private endpoint connections in a device update account.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateLinkResourcesGetSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateLinkResourcesGetSample.ts
index d7c623385b32..50bb91f18f6c 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateLinkResourcesGetSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateLinkResourcesGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get the specified private link resource associated with the device update account.
diff --git a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateLinkResourcesListByAccountSample.ts b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateLinkResourcesListByAccountSample.ts
index 3cb684ff6914..5fd043ae40bf 100644
--- a/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateLinkResourcesListByAccountSample.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/samples/v1/typescript/src/privateLinkResourcesListByAccountSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { DeviceUpdate } from "@azure/arm-deviceupdate";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List all private link resources in a device update account.
diff --git a/sdk/deviceupdate/arm-deviceupdate/src/deviceUpdate.ts b/sdk/deviceupdate/arm-deviceupdate/src/deviceUpdate.ts
index 0fa7cd153423..a1ad58eeab0a 100644
--- a/sdk/deviceupdate/arm-deviceupdate/src/deviceUpdate.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/src/deviceUpdate.ts
@@ -21,7 +21,7 @@ import {
   PrivateLinkResourcesImpl,
   PrivateEndpointConnectionProxiesImpl,
   OperationsImpl
-} from "./operations";
+} from "./operations/index.js";
 import {
   Accounts,
   Instances,
@@ -29,15 +29,15 @@ import {
   PrivateLinkResources,
   PrivateEndpointConnectionProxies,
   Operations
-} from "./operationsInterfaces";
-import * as Parameters from "./models/parameters";
-import * as Mappers from "./models/mappers";
+} from "./operationsInterfaces/index.js";
+import * as Parameters from "./models/parameters.js";
+import * as Mappers from "./models/mappers.js";
 import {
   DeviceUpdateOptionalParams,
   CheckNameAvailabilityRequest,
   CheckNameAvailabilityOptionalParams,
   CheckNameAvailabilityOperationResponse
-} from "./models";
+} from "./models/index.js";
 
 export class DeviceUpdate extends coreClient.ServiceClient {
   $host: string;
diff --git a/sdk/deviceupdate/arm-deviceupdate/src/index.ts b/sdk/deviceupdate/arm-deviceupdate/src/index.ts
index a65682073fa2..d5dbfa832cc5 100644
--- a/sdk/deviceupdate/arm-deviceupdate/src/index.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/src/index.ts
@@ -7,7 +7,7 @@
  */
 
 /// <reference lib="esnext.asynciterable" />
-export { getContinuationToken } from "./pagingHelper";
-export * from "./models";
-export { DeviceUpdate } from "./deviceUpdate";
-export * from "./operationsInterfaces";
+export { getContinuationToken } from "./pagingHelper.js";
+export * from "./models/index.js";
+export { DeviceUpdate } from "./deviceUpdate.js";
+export * from "./operationsInterfaces/index.js";
diff --git a/sdk/deviceupdate/arm-deviceupdate/src/models/parameters.ts b/sdk/deviceupdate/arm-deviceupdate/src/models/parameters.ts
index 28326e96ce90..cf920bc77110 100644
--- a/sdk/deviceupdate/arm-deviceupdate/src/models/parameters.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/src/models/parameters.ts
@@ -20,7 +20,7 @@ import {
   PrivateEndpointConnection as PrivateEndpointConnectionMapper,
   PrivateEndpointConnectionProxy as PrivateEndpointConnectionProxyMapper,
   PrivateEndpointUpdate as PrivateEndpointUpdateMapper
-} from "../models/mappers";
+} from "../models/mappers.js";
 
 export const contentType: OperationParameter = {
   parameterPath: ["options", "contentType"],
diff --git a/sdk/deviceupdate/arm-deviceupdate/src/operations/accounts.ts b/sdk/deviceupdate/arm-deviceupdate/src/operations/accounts.ts
index 35904d8de878..a334c7b8a07e 100644
--- a/sdk/deviceupdate/arm-deviceupdate/src/operations/accounts.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/src/operations/accounts.ts
@@ -7,18 +7,18 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { Accounts } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { Accounts } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DeviceUpdate } from "../deviceUpdate";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DeviceUpdate } from "../deviceUpdate.js";
 import {
   SimplePollerLike,
   OperationState,
   createHttpPoller
 } from "@azure/core-lro";
-import { createLroSpec } from "../lroImpl";
+import { createLroSpec } from "../lroImpl.js";
 import {
   Account,
   AccountsListBySubscriptionNextOptionalParams,
@@ -39,7 +39,7 @@ import {
   AccountsUpdateResponse,
   AccountsListBySubscriptionNextResponse,
   AccountsListByResourceGroupNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing Accounts operations. */
diff --git a/sdk/deviceupdate/arm-deviceupdate/src/operations/index.ts b/sdk/deviceupdate/arm-deviceupdate/src/operations/index.ts
index 34f4618d1358..65321d89a4b1 100644
--- a/sdk/deviceupdate/arm-deviceupdate/src/operations/index.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/src/operations/index.ts
@@ -6,9 +6,9 @@
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
  */
 
-export * from "./accounts";
-export * from "./instances";
-export * from "./privateEndpointConnections";
-export * from "./privateLinkResources";
-export * from "./privateEndpointConnectionProxies";
-export * from "./operations";
+export * from "./accounts.js";
+export * from "./instances.js";
+export * from "./privateEndpointConnections.js";
+export * from "./privateLinkResources.js";
+export * from "./privateEndpointConnectionProxies.js";
+export * from "./operations.js";
diff --git a/sdk/deviceupdate/arm-deviceupdate/src/operations/instances.ts b/sdk/deviceupdate/arm-deviceupdate/src/operations/instances.ts
index aa800c73bfc0..37165d18953d 100644
--- a/sdk/deviceupdate/arm-deviceupdate/src/operations/instances.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/src/operations/instances.ts
@@ -7,18 +7,18 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { Instances } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { Instances } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DeviceUpdate } from "../deviceUpdate";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DeviceUpdate } from "../deviceUpdate.js";
 import {
   SimplePollerLike,
   OperationState,
   createHttpPoller
 } from "@azure/core-lro";
-import { createLroSpec } from "../lroImpl";
+import { createLroSpec } from "../lroImpl.js";
 import {
   Instance,
   InstancesListByAccountNextOptionalParams,
@@ -35,7 +35,7 @@ import {
   InstancesUpdateOptionalParams,
   InstancesUpdateResponse,
   InstancesListByAccountNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing Instances operations. */
diff --git a/sdk/deviceupdate/arm-deviceupdate/src/operations/operations.ts b/sdk/deviceupdate/arm-deviceupdate/src/operations/operations.ts
index a2822dd7b674..2e84e708cbdc 100644
--- a/sdk/deviceupdate/arm-deviceupdate/src/operations/operations.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/src/operations/operations.ts
@@ -7,19 +7,19 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { Operations } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { Operations } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DeviceUpdate } from "../deviceUpdate";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DeviceUpdate } from "../deviceUpdate.js";
 import {
   Operation,
   OperationsListNextOptionalParams,
   OperationsListOptionalParams,
   OperationsListResponse,
   OperationsListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing Operations operations. */
diff --git a/sdk/deviceupdate/arm-deviceupdate/src/operations/privateEndpointConnectionProxies.ts b/sdk/deviceupdate/arm-deviceupdate/src/operations/privateEndpointConnectionProxies.ts
index 293692a8a702..48b5fa8b17cd 100644
--- a/sdk/deviceupdate/arm-deviceupdate/src/operations/privateEndpointConnectionProxies.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/src/operations/privateEndpointConnectionProxies.ts
@@ -7,17 +7,17 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { PrivateEndpointConnectionProxies } from "../operationsInterfaces";
+import { PrivateEndpointConnectionProxies } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DeviceUpdate } from "../deviceUpdate";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DeviceUpdate } from "../deviceUpdate.js";
 import {
   SimplePollerLike,
   OperationState,
   createHttpPoller
 } from "@azure/core-lro";
-import { createLroSpec } from "../lroImpl";
+import { createLroSpec } from "../lroImpl.js";
 import {
   PrivateEndpointConnectionProxy,
   PrivateEndpointConnectionProxiesListByAccountOptionalParams,
@@ -30,7 +30,7 @@ import {
   PrivateEndpointConnectionProxiesCreateOrUpdateOptionalParams,
   PrivateEndpointConnectionProxiesCreateOrUpdateResponse,
   PrivateEndpointConnectionProxiesDeleteOptionalParams
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing PrivateEndpointConnectionProxies operations. */
diff --git a/sdk/deviceupdate/arm-deviceupdate/src/operations/privateEndpointConnections.ts b/sdk/deviceupdate/arm-deviceupdate/src/operations/privateEndpointConnections.ts
index a32aba5b22ee..f8306b2f2dea 100644
--- a/sdk/deviceupdate/arm-deviceupdate/src/operations/privateEndpointConnections.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/src/operations/privateEndpointConnections.ts
@@ -7,17 +7,17 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { PrivateEndpointConnections } from "../operationsInterfaces";
+import { PrivateEndpointConnections } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DeviceUpdate } from "../deviceUpdate";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DeviceUpdate } from "../deviceUpdate.js";
 import {
   SimplePollerLike,
   OperationState,
   createHttpPoller
 } from "@azure/core-lro";
-import { createLroSpec } from "../lroImpl";
+import { createLroSpec } from "../lroImpl.js";
 import {
   PrivateEndpointConnection,
   PrivateEndpointConnectionsListByAccountOptionalParams,
@@ -27,7 +27,7 @@ import {
   PrivateEndpointConnectionsCreateOrUpdateOptionalParams,
   PrivateEndpointConnectionsCreateOrUpdateResponse,
   PrivateEndpointConnectionsDeleteOptionalParams
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing PrivateEndpointConnections operations. */
diff --git a/sdk/deviceupdate/arm-deviceupdate/src/operations/privateLinkResources.ts b/sdk/deviceupdate/arm-deviceupdate/src/operations/privateLinkResources.ts
index 3eb57ea12363..2af3b1356a4a 100644
--- a/sdk/deviceupdate/arm-deviceupdate/src/operations/privateLinkResources.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/src/operations/privateLinkResources.ts
@@ -7,18 +7,18 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { PrivateLinkResources } from "../operationsInterfaces";
+import { PrivateLinkResources } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DeviceUpdate } from "../deviceUpdate";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DeviceUpdate } from "../deviceUpdate.js";
 import {
   GroupInformation,
   PrivateLinkResourcesListByAccountOptionalParams,
   PrivateLinkResourcesListByAccountResponse,
   PrivateLinkResourcesGetOptionalParams,
   PrivateLinkResourcesGetResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing PrivateLinkResources operations. */
diff --git a/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/accounts.ts b/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/accounts.ts
index ec13d0ae0d7b..07b8b61191fe 100644
--- a/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/accounts.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/accounts.ts
@@ -22,7 +22,7 @@ import {
   AccountUpdate,
   AccountsUpdateOptionalParams,
   AccountsUpdateResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a Accounts. */
diff --git a/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/index.ts b/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/index.ts
index 34f4618d1358..65321d89a4b1 100644
--- a/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/index.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/index.ts
@@ -6,9 +6,9 @@
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
  */
 
-export * from "./accounts";
-export * from "./instances";
-export * from "./privateEndpointConnections";
-export * from "./privateLinkResources";
-export * from "./privateEndpointConnectionProxies";
-export * from "./operations";
+export * from "./accounts.js";
+export * from "./instances.js";
+export * from "./privateEndpointConnections.js";
+export * from "./privateLinkResources.js";
+export * from "./privateEndpointConnectionProxies.js";
+export * from "./operations.js";
diff --git a/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/instances.ts b/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/instances.ts
index 35c055107334..29862e34e984 100644
--- a/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/instances.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/instances.ts
@@ -21,7 +21,7 @@ import {
   TagUpdate,
   InstancesUpdateOptionalParams,
   InstancesUpdateResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a Instances. */
diff --git a/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/operations.ts b/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/operations.ts
index 9cc4e9bc3093..85c67c74f776 100644
--- a/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/operations.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/operations.ts
@@ -7,7 +7,7 @@
  */
 
 import { PagedAsyncIterableIterator } from "@azure/core-paging";
-import { Operation, OperationsListOptionalParams } from "../models";
+import { Operation, OperationsListOptionalParams } from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a Operations. */
diff --git a/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/privateEndpointConnectionProxies.ts b/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/privateEndpointConnectionProxies.ts
index eaafbe2675ca..8ecb9d7d0b09 100644
--- a/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/privateEndpointConnectionProxies.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/privateEndpointConnectionProxies.ts
@@ -19,7 +19,7 @@ import {
   PrivateEndpointConnectionProxiesCreateOrUpdateOptionalParams,
   PrivateEndpointConnectionProxiesCreateOrUpdateResponse,
   PrivateEndpointConnectionProxiesDeleteOptionalParams
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a PrivateEndpointConnectionProxies. */
diff --git a/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/privateEndpointConnections.ts b/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/privateEndpointConnections.ts
index 7fb196c94e47..4b8c193d6c4d 100644
--- a/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/privateEndpointConnections.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/privateEndpointConnections.ts
@@ -16,7 +16,7 @@ import {
   PrivateEndpointConnectionsCreateOrUpdateOptionalParams,
   PrivateEndpointConnectionsCreateOrUpdateResponse,
   PrivateEndpointConnectionsDeleteOptionalParams
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a PrivateEndpointConnections. */
diff --git a/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/privateLinkResources.ts b/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/privateLinkResources.ts
index 1663b239357b..5787f1e3ad3c 100644
--- a/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/privateLinkResources.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/src/operationsInterfaces/privateLinkResources.ts
@@ -12,7 +12,7 @@ import {
   PrivateLinkResourcesListByAccountOptionalParams,
   PrivateLinkResourcesGetOptionalParams,
   PrivateLinkResourcesGetResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a PrivateLinkResources. */
diff --git a/sdk/deviceupdate/arm-deviceupdate/test/deviceupdate_operations_test.spec.ts b/sdk/deviceupdate/arm-deviceupdate/test/deviceupdate_operations_test.spec.ts
index fb93debefcf8..91a4995484b2 100644
--- a/sdk/deviceupdate/arm-deviceupdate/test/deviceupdate_operations_test.spec.ts
+++ b/sdk/deviceupdate/arm-deviceupdate/test/deviceupdate_operations_test.spec.ts
@@ -10,13 +10,11 @@ import {
   env,
   Recorder,
   RecorderStartOptions,
-  delay,
   isPlaybackMode,
 } from "@azure-tools/test-recorder";
 import { createTestCredential } from "@azure-tools/test-credential";
-import { assert } from "chai";
-import { Context } from "mocha";
-import { DeviceUpdate } from "../src/deviceUpdate";
+import { DeviceUpdate } from "../src/deviceUpdate.js";
+import { describe, it, assert, beforeEach, afterEach } from "vitest";
 
 const replaceableVariables: Record<string, string> = {
   AZURE_CLIENT_ID: "azure_client_id",
@@ -45,8 +43,8 @@ describe("DeviceUpdate test", () => {
   let resourceGroup: string;
   let resourcename: string;
 
-  beforeEach(async function (this: Context) {
-    recorder = new Recorder(this.currentTest);
+  beforeEach(async function (ctx) {
+    recorder = new Recorder(ctx);
     await recorder.start(recorderOptions);
     subscriptionId = env.SUBSCRIPTION_ID || '';
     // This is an example of how the environment variables are used
@@ -93,7 +91,7 @@ describe("DeviceUpdate test", () => {
 
   it("accounts delete test", async function () {
     const resArray = new Array();
-    const res = await client.accounts.beginDeleteAndWait(resourceGroup, resourcename
+    await client.accounts.beginDeleteAndWait(resourceGroup, resourcename
     )
     for await (let item of client.accounts.listByResourceGroup(resourceGroup)) {
       resArray.push(item);
diff --git a/sdk/deviceupdate/arm-deviceupdate/tsconfig.browser.config.json b/sdk/deviceupdate/arm-deviceupdate/tsconfig.browser.config.json
new file mode 100644
index 000000000000..0c8bafa97126
--- /dev/null
+++ b/sdk/deviceupdate/arm-deviceupdate/tsconfig.browser.config.json
@@ -0,0 +1,6 @@
+{
+  "extends": [
+    "./tsconfig.test.json",
+    "../../../tsconfig.browser.base.json"
+  ]
+}
diff --git a/sdk/deviceupdate/arm-deviceupdate/tsconfig.json b/sdk/deviceupdate/arm-deviceupdate/tsconfig.json
index 92cb95de85ee..19ceb382b521 100644
--- a/sdk/deviceupdate/arm-deviceupdate/tsconfig.json
+++ b/sdk/deviceupdate/arm-deviceupdate/tsconfig.json
@@ -1,33 +1,13 @@
 {
-  "compilerOptions": {
-    "module": "es6",
-    "moduleResolution": "node",
-    "strict": true,
-    "target": "es6",
-    "sourceMap": true,
-    "declarationMap": true,
-    "esModuleInterop": true,
-    "allowSyntheticDefaultImports": true,
-    "forceConsistentCasingInFileNames": true,
-    "lib": [
-      "es6",
-      "dom"
-    ],
-    "declaration": true,
-    "outDir": "./dist-esm",
-    "importHelpers": true,
-    "paths": {
-      "@azure/arm-deviceupdate": [
-        "./src/index"
-      ]
+  "references": [
+    {
+      "path": "./tsconfig.src.json"
+    },
+    {
+      "path": "./tsconfig.samples.json"
+    },
+    {
+      "path": "./tsconfig.test.json"
     }
-  },
-  "include": [
-    "./src/**/*.ts",
-    "./test/**/*.ts",
-    "samples-dev/**/*.ts"
-  ],
-  "exclude": [
-    "node_modules"
   ]
-}
\ No newline at end of file
+}
diff --git a/sdk/deviceupdate/arm-deviceupdate/tsconfig.samples.json b/sdk/deviceupdate/arm-deviceupdate/tsconfig.samples.json
new file mode 100644
index 000000000000..65f66d83a10f
--- /dev/null
+++ b/sdk/deviceupdate/arm-deviceupdate/tsconfig.samples.json
@@ -0,0 +1,10 @@
+{
+  "extends": "../../../tsconfig.samples.base.json",
+  "compilerOptions": {
+    "paths": {
+      "@azure/arm-deviceupdate": [
+        "./dist/esm"
+      ]
+    }
+  }
+}
diff --git a/sdk/deviceupdate/arm-deviceupdate/tsconfig.src.json b/sdk/deviceupdate/arm-deviceupdate/tsconfig.src.json
new file mode 100644
index 000000000000..bae70752dd38
--- /dev/null
+++ b/sdk/deviceupdate/arm-deviceupdate/tsconfig.src.json
@@ -0,0 +1,3 @@
+{
+  "extends": "../../../tsconfig.lib.json"
+}
diff --git a/sdk/deviceupdate/arm-deviceupdate/tsconfig.test.json b/sdk/deviceupdate/arm-deviceupdate/tsconfig.test.json
new file mode 100644
index 000000000000..3c2b783a8c1b
--- /dev/null
+++ b/sdk/deviceupdate/arm-deviceupdate/tsconfig.test.json
@@ -0,0 +1,6 @@
+{
+  "extends": [
+    "./tsconfig.src.json",
+    "../../../tsconfig.test.base.json"
+  ]
+}
diff --git a/sdk/deviceupdate/arm-deviceupdate/vitest.browser.config.ts b/sdk/deviceupdate/arm-deviceupdate/vitest.browser.config.ts
new file mode 100644
index 000000000000..182729ab5ce9
--- /dev/null
+++ b/sdk/deviceupdate/arm-deviceupdate/vitest.browser.config.ts
@@ -0,0 +1,17 @@
+
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+import { defineConfig, mergeConfig } from "vitest/config";
+import viteConfig from "../../../vitest.browser.shared.config.ts";
+
+export default mergeConfig(
+  viteConfig,
+  defineConfig({
+    test: {
+      include: ["dist-test/browser/test/**/*.spec.js",],
+      testTimeout: 1200000,
+      hookTimeout: 1200000,
+    },
+  }),
+);
diff --git a/sdk/deviceupdate/arm-deviceupdate/vitest.config.ts b/sdk/deviceupdate/arm-deviceupdate/vitest.config.ts
new file mode 100644
index 000000000000..40e031385dd8
--- /dev/null
+++ b/sdk/deviceupdate/arm-deviceupdate/vitest.config.ts
@@ -0,0 +1,16 @@
+
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+import { defineConfig, mergeConfig } from "vitest/config";
+import viteConfig from "../../../vitest.shared.config.ts";
+
+export default mergeConfig(
+  viteConfig,
+  defineConfig({
+    test: {
+      testTimeout: 1200000,
+      hookTimeout: 1200000,
+    },
+  }),
+);
diff --git a/sdk/deviceupdate/arm-deviceupdate/vitest.esm.config.ts b/sdk/deviceupdate/arm-deviceupdate/vitest.esm.config.ts
new file mode 100644
index 000000000000..a70127279fc9
--- /dev/null
+++ b/sdk/deviceupdate/arm-deviceupdate/vitest.esm.config.ts
@@ -0,0 +1,12 @@
+
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+import { mergeConfig } from "vitest/config";
+import vitestConfig from "./vitest.config.ts";
+import vitestEsmConfig from "../../../vitest.esm.shared.config.ts";
+
+export default mergeConfig(
+  vitestConfig,
+  vitestEsmConfig
+);
diff --git a/sdk/devspaces/arm-devspaces/api-extractor.json b/sdk/devspaces/arm-devspaces/api-extractor.json
index 10f0bb36f87b..06a870831298 100644
--- a/sdk/devspaces/arm-devspaces/api-extractor.json
+++ b/sdk/devspaces/arm-devspaces/api-extractor.json
@@ -1,6 +1,6 @@
 {
   "$schema": "https://developer.microsoft.com/json-schemas/api-extractor/v7/api-extractor.schema.json",
-  "mainEntryPointFilePath": "./dist-esm/src/index.d.ts",
+  "mainEntryPointFilePath": "dist/esm/index.d.ts",
   "docModel": {
     "enabled": true
   },
@@ -11,7 +11,7 @@
   "dtsRollup": {
     "enabled": true,
     "untrimmedFilePath": "",
-    "publicTrimmedFilePath": "./types/arm-devspaces.d.ts"
+    "publicTrimmedFilePath": "dist/arm-devspaces.d.ts"
   },
   "messages": {
     "tsdocMessageReporting": {
@@ -28,4 +28,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/sdk/devspaces/arm-devspaces/package.json b/sdk/devspaces/arm-devspaces/package.json
index d6bb1a62d987..28b474d94523 100644
--- a/sdk/devspaces/arm-devspaces/package.json
+++ b/sdk/devspaces/arm-devspaces/package.json
@@ -24,21 +24,21 @@
     "isomorphic"
   ],
   "license": "MIT",
-  "main": "./dist/index.js",
-  "module": "./dist-esm/src/index.js",
-  "types": "./types/arm-devspaces.d.ts",
+  "main": "./dist/commonjs/index.js",
+  "module": "./dist/esm/index.js",
+  "types": "./dist/commonjs/index.d.ts",
   "devDependencies": {
-    "@azure-tools/test-credential": "^1.0.0",
-    "@azure-tools/test-recorder": "^3.0.0",
+    "@azure-tools/test-credential": "^2.0.0",
+    "@azure-tools/test-recorder": "^4.1.0",
+    "@azure-tools/test-utils-vitest": "^1.0.0",
     "@azure/dev-tool": "^1.0.0",
     "@azure/identity": "^4.0.1",
-    "@types/chai": "^4.2.8",
-    "@types/mocha": "^10.0.0",
     "@types/node": "^18.0.0",
-    "chai": "^4.2.0",
-    "mocha": "^11.0.2",
-    "ts-node": "^10.0.0",
-    "typescript": "~5.7.2"
+    "@vitest/browser": "^2.1.8",
+    "@vitest/coverage-istanbul": "^2.1.8",
+    "playwright": "^1.49.1",
+    "typescript": "~5.7.2",
+    "vitest": "^2.1.8"
   },
   "homepage": "https://github.com/Azure/azure-sdk-for-js/tree/main/sdk/devspaces/arm-devspaces",
   "repository": {
@@ -49,24 +49,14 @@
     "url": "https://github.com/Azure/azure-sdk-for-js/issues"
   },
   "files": [
-    "dist/**/*.js",
-    "dist/**/*.js.map",
-    "dist/**/*.d.ts",
-    "dist/**/*.d.ts.map",
-    "dist-esm/**/*.js",
-    "dist-esm/**/*.js.map",
-    "dist-esm/**/*.d.ts",
-    "dist-esm/**/*.d.ts.map",
-    "src/**/*.ts",
+    "dist/",
     "README.md",
     "LICENSE",
-    "tsconfig.json",
-    "review/*",
-    "CHANGELOG.md",
-    "types/*"
+    "review/",
+    "CHANGELOG.md"
   ],
   "scripts": {
-    "build": "npm run clean && tsc && dev-tool run bundle && npm run minify && dev-tool run vendored mkdirp ./review && npm run extract-api",
+    "build": "npm run clean && dev-tool run build-package && dev-tool run vendored mkdirp ./review && dev-tool run extract-api",
     "build:browser": "echo skipped",
     "build:node": "echo skipped",
     "build:samples": "echo skipped.",
@@ -78,7 +68,7 @@
     "format": "echo skipped",
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
-    "integration-test:node": "dev-tool run test:node-ts-input -- --timeout 1200000 'test/*.ts'",
+    "integration-test:node": "dev-tool run test:vitest --esm",
     "lint": "echo skipped",
     "minify": "dev-tool run vendored uglifyjs -c -m --comments --source-map \"content='./dist/index.js.map'\" -o ./dist/index.min.js ./dist/index.js",
     "pack": "npm pack 2>&1",
@@ -88,7 +78,7 @@
     "test:node": "echo skipped",
     "unit-test": "npm run unit-test:node && npm run unit-test:browser",
     "unit-test:browser": "echo skipped",
-    "unit-test:node": "dev-tool run vendored cross-env TEST_MODE=playback npm run integration-test:node",
+    "unit-test:node": "dev-tool run test:vitest",
     "update-snippets": "echo skipped"
   },
   "sideEffects": false,
@@ -108,5 +98,45 @@
     ],
     "disableDocsMs": true,
     "apiRefLink": "https://learn.microsoft.com/javascript/api/@azure/arm-devspaces?view=azure-node-preview"
+  },
+  "type": "module",
+  "tshy": {
+    "project": "./tsconfig.src.json",
+    "exports": {
+      "./package.json": "./package.json",
+      ".": "./src/index.ts"
+    },
+    "dialects": [
+      "esm",
+      "commonjs"
+    ],
+    "esmDialects": [
+      "browser",
+      "react-native"
+    ],
+    "selfLink": false
+  },
+  "browser": "./dist/browser/index.js",
+  "react-native": "./dist/react-native/index.js",
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "browser": {
+        "types": "./dist/browser/index.d.ts",
+        "default": "./dist/browser/index.js"
+      },
+      "react-native": {
+        "types": "./dist/react-native/index.d.ts",
+        "default": "./dist/react-native/index.js"
+      },
+      "import": {
+        "types": "./dist/esm/index.d.ts",
+        "default": "./dist/esm/index.js"
+      },
+      "require": {
+        "types": "./dist/commonjs/index.d.ts",
+        "default": "./dist/commonjs/index.js"
+      }
+    }
   }
 }
diff --git a/sdk/devspaces/arm-devspaces/samples-dev/containerHostMappingsGetContainerHostMappingSample.ts b/sdk/devspaces/arm-devspaces/samples-dev/containerHostMappingsGetContainerHostMappingSample.ts
index 67fd84d607b5..adbba31fabef 100644
--- a/sdk/devspaces/arm-devspaces/samples-dev/containerHostMappingsGetContainerHostMappingSample.ts
+++ b/sdk/devspaces/arm-devspaces/samples-dev/containerHostMappingsGetContainerHostMappingSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Returns container host mapping object for a container host resource ID if an associated controller exists.
  * x-ms-original-file: specification/devspaces/resource-manager/Microsoft.DevSpaces/stable/2019-04-01/examples/ContainerHostMappingsGetContainerHostMapping_example.json
  */
-async function containerHostMappingsGetContainerHostMapping() {
+async function containerHostMappingsGetContainerHostMapping(): Promise<void> {
   const subscriptionId = "00000000-0000-0000-0000-000000000000";
   const resourceGroupName = "myResourceGroup";
   const location = "eastus";
diff --git a/sdk/devspaces/arm-devspaces/samples-dev/controllersCreateSample.ts b/sdk/devspaces/arm-devspaces/samples-dev/controllersCreateSample.ts
index 21a2a305df47..e8d56c8a8791 100644
--- a/sdk/devspaces/arm-devspaces/samples-dev/controllersCreateSample.ts
+++ b/sdk/devspaces/arm-devspaces/samples-dev/controllersCreateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Creates an Azure Dev Spaces Controller with the specified create parameters.
  * x-ms-original-file: specification/devspaces/resource-manager/Microsoft.DevSpaces/stable/2019-04-01/examples/ControllersCreate_example.json
  */
-async function controllersCreate() {
+async function controllersCreate(): Promise<void> {
   const subscriptionId = "00000000-0000-0000-0000-000000000000";
   const resourceGroupName = "myResourceGroup";
   const name = "myControllerResource";
diff --git a/sdk/devspaces/arm-devspaces/samples-dev/controllersDeleteSample.ts b/sdk/devspaces/arm-devspaces/samples-dev/controllersDeleteSample.ts
index 0a85d99ad379..8e5dc380cce3 100644
--- a/sdk/devspaces/arm-devspaces/samples-dev/controllersDeleteSample.ts
+++ b/sdk/devspaces/arm-devspaces/samples-dev/controllersDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Deletes an existing Azure Dev Spaces Controller.
  * x-ms-original-file: specification/devspaces/resource-manager/Microsoft.DevSpaces/stable/2019-04-01/examples/ControllersDelete_example.json
  */
-async function controllersDelete() {
+async function controllersDelete(): Promise<void> {
   const subscriptionId = "00000000-0000-0000-0000-000000000000";
   const resourceGroupName = "myResourceGroup";
   const name = "myControllerResource";
diff --git a/sdk/devspaces/arm-devspaces/samples-dev/controllersGetSample.ts b/sdk/devspaces/arm-devspaces/samples-dev/controllersGetSample.ts
index e43fdda555b7..9121368bc505 100644
--- a/sdk/devspaces/arm-devspaces/samples-dev/controllersGetSample.ts
+++ b/sdk/devspaces/arm-devspaces/samples-dev/controllersGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Gets the properties for an Azure Dev Spaces Controller.
  * x-ms-original-file: specification/devspaces/resource-manager/Microsoft.DevSpaces/stable/2019-04-01/examples/ControllersGet_example.json
  */
-async function controllersGet() {
+async function controllersGet(): Promise<void> {
   const subscriptionId = "00000000-0000-0000-0000-000000000000";
   const resourceGroupName = "myResourceGroup";
   const name = "myControllerResource";
diff --git a/sdk/devspaces/arm-devspaces/samples-dev/controllersListByResourceGroupSample.ts b/sdk/devspaces/arm-devspaces/samples-dev/controllersListByResourceGroupSample.ts
index d0d7da494885..cacbf9e65bfc 100644
--- a/sdk/devspaces/arm-devspaces/samples-dev/controllersListByResourceGroupSample.ts
+++ b/sdk/devspaces/arm-devspaces/samples-dev/controllersListByResourceGroupSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Lists all the Azure Dev Spaces Controllers with their properties in the specified resource group and subscription.
  * x-ms-original-file: specification/devspaces/resource-manager/Microsoft.DevSpaces/stable/2019-04-01/examples/ControllersListByResourceGroup_example.json
  */
-async function controllersListByResourceGroup() {
+async function controllersListByResourceGroup(): Promise<void> {
   const subscriptionId = "00000000-0000-0000-0000-000000000000";
   const resourceGroupName = "myResourceGroup";
   const credential = new DefaultAzureCredential();
diff --git a/sdk/devspaces/arm-devspaces/samples-dev/controllersListConnectionDetailsSample.ts b/sdk/devspaces/arm-devspaces/samples-dev/controllersListConnectionDetailsSample.ts
index da6df499055d..9ce3140019ee 100644
--- a/sdk/devspaces/arm-devspaces/samples-dev/controllersListConnectionDetailsSample.ts
+++ b/sdk/devspaces/arm-devspaces/samples-dev/controllersListConnectionDetailsSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Lists connection details for the underlying container resources of an Azure Dev Spaces Controller.
  * x-ms-original-file: specification/devspaces/resource-manager/Microsoft.DevSpaces/stable/2019-04-01/examples/ControllersListConnectionDetails_example.json
  */
-async function controllersListConnectionDetails() {
+async function controllersListConnectionDetails(): Promise<void> {
   const subscriptionId = "00000000-0000-0000-0000-000000000000";
   const resourceGroupName = "myResourceGroup";
   const name = "myControllerResource";
diff --git a/sdk/devspaces/arm-devspaces/samples-dev/controllersListSample.ts b/sdk/devspaces/arm-devspaces/samples-dev/controllersListSample.ts
index 8c1b09b3d83b..b226bc151488 100644
--- a/sdk/devspaces/arm-devspaces/samples-dev/controllersListSample.ts
+++ b/sdk/devspaces/arm-devspaces/samples-dev/controllersListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Lists all the Azure Dev Spaces Controllers with their properties in the subscription.
  * x-ms-original-file: specification/devspaces/resource-manager/Microsoft.DevSpaces/stable/2019-04-01/examples/ControllersList_example.json
  */
-async function controllersList() {
+async function controllersList(): Promise<void> {
   const subscriptionId = "00000000-0000-0000-0000-000000000000";
   const credential = new DefaultAzureCredential();
   const client = new DevSpacesManagementClient(credential, subscriptionId);
diff --git a/sdk/devspaces/arm-devspaces/samples-dev/controllersUpdateSample.ts b/sdk/devspaces/arm-devspaces/samples-dev/controllersUpdateSample.ts
index ed6b61ccc2e8..aaa5e060db1b 100644
--- a/sdk/devspaces/arm-devspaces/samples-dev/controllersUpdateSample.ts
+++ b/sdk/devspaces/arm-devspaces/samples-dev/controllersUpdateSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Updates the properties of an existing Azure Dev Spaces Controller with the specified update parameters.
  * x-ms-original-file: specification/devspaces/resource-manager/Microsoft.DevSpaces/stable/2019-04-01/examples/ControllersUpdate_example.json
  */
-async function controllersUpdate() {
+async function controllersUpdate(): Promise<void> {
   const subscriptionId = "00000000-0000-0000-0000-000000000000";
   const resourceGroupName = "myResourceGroup";
   const name = "myControllerResource";
diff --git a/sdk/devspaces/arm-devspaces/src/devSpacesManagementClient.ts b/sdk/devspaces/arm-devspaces/src/devSpacesManagementClient.ts
index aeac5f877a7e..d0a0d7e01bf9 100644
--- a/sdk/devspaces/arm-devspaces/src/devSpacesManagementClient.ts
+++ b/sdk/devspaces/arm-devspaces/src/devSpacesManagementClient.ts
@@ -18,13 +18,13 @@ import {
   ContainerHostMappingsImpl,
   OperationsImpl,
   ControllersImpl
-} from "./operations";
+} from "./operations/index.js";
 import {
   ContainerHostMappings,
   Operations,
   Controllers
-} from "./operationsInterfaces";
-import { DevSpacesManagementClientOptionalParams } from "./models";
+} from "./operationsInterfaces/index.js";
+import { DevSpacesManagementClientOptionalParams } from "./models/index.js";
 
 export class DevSpacesManagementClient extends coreClient.ServiceClient {
   $host: string;
diff --git a/sdk/devspaces/arm-devspaces/src/index.ts b/sdk/devspaces/arm-devspaces/src/index.ts
index e1eb86f361c0..786421d5095c 100644
--- a/sdk/devspaces/arm-devspaces/src/index.ts
+++ b/sdk/devspaces/arm-devspaces/src/index.ts
@@ -7,7 +7,7 @@
  */
 
 /// <reference lib="esnext.asynciterable" />
-export { getContinuationToken } from "./pagingHelper";
-export * from "./models";
-export { DevSpacesManagementClient } from "./devSpacesManagementClient";
-export * from "./operationsInterfaces";
+export { getContinuationToken } from "./pagingHelper.js";
+export * from "./models/index.js";
+export { DevSpacesManagementClient } from "./devSpacesManagementClient.js";
+export * from "./operationsInterfaces/index.js";
diff --git a/sdk/devspaces/arm-devspaces/src/models/parameters.ts b/sdk/devspaces/arm-devspaces/src/models/parameters.ts
index 013703dfa38d..17160c9125df 100644
--- a/sdk/devspaces/arm-devspaces/src/models/parameters.ts
+++ b/sdk/devspaces/arm-devspaces/src/models/parameters.ts
@@ -16,7 +16,7 @@ import {
   Controller as ControllerMapper,
   ControllerUpdateParameters as ControllerUpdateParametersMapper,
   ListConnectionDetailsParameters as ListConnectionDetailsParametersMapper
-} from "../models/mappers";
+} from "../models/mappers.js";
 
 export const contentType: OperationParameter = {
   parameterPath: ["options", "contentType"],
diff --git a/sdk/devspaces/arm-devspaces/src/operations/containerHostMappings.ts b/sdk/devspaces/arm-devspaces/src/operations/containerHostMappings.ts
index 582d8018e8da..a4e0ec795982 100644
--- a/sdk/devspaces/arm-devspaces/src/operations/containerHostMappings.ts
+++ b/sdk/devspaces/arm-devspaces/src/operations/containerHostMappings.ts
@@ -6,16 +6,16 @@
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
  */
 
-import { ContainerHostMappings } from "../operationsInterfaces";
+import { ContainerHostMappings } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevSpacesManagementClient } from "../devSpacesManagementClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevSpacesManagementClient } from "../devSpacesManagementClient.js";
 import {
   ContainerHostMapping,
   ContainerHostMappingsGetContainerHostMappingOptionalParams,
   ContainerHostMappingsGetContainerHostMappingResponse
-} from "../models";
+} from "../models/index.js";
 
 /** Class containing ContainerHostMappings operations. */
 export class ContainerHostMappingsImpl implements ContainerHostMappings {
diff --git a/sdk/devspaces/arm-devspaces/src/operations/controllers.ts b/sdk/devspaces/arm-devspaces/src/operations/controllers.ts
index 7a6dcfb641c0..babe6eab394c 100644
--- a/sdk/devspaces/arm-devspaces/src/operations/controllers.ts
+++ b/sdk/devspaces/arm-devspaces/src/operations/controllers.ts
@@ -7,14 +7,14 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { Controllers } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { Controllers } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevSpacesManagementClient } from "../devSpacesManagementClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevSpacesManagementClient } from "../devSpacesManagementClient.js";
 import { PollerLike, PollOperationState, LroEngine } from "@azure/core-lro";
-import { LroImpl } from "../lroImpl";
+import { LroImpl } from "../lroImpl.js";
 import {
   Controller,
   ControllersListByResourceGroupNextOptionalParams,
@@ -36,7 +36,7 @@ import {
   ControllersListConnectionDetailsResponse,
   ControllersListByResourceGroupNextResponse,
   ControllersListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing Controllers operations. */
diff --git a/sdk/devspaces/arm-devspaces/src/operations/index.ts b/sdk/devspaces/arm-devspaces/src/operations/index.ts
index 7811528619e3..9ad5db5c5a2c 100644
--- a/sdk/devspaces/arm-devspaces/src/operations/index.ts
+++ b/sdk/devspaces/arm-devspaces/src/operations/index.ts
@@ -6,6 +6,6 @@
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
  */
 
-export * from "./containerHostMappings";
-export * from "./operations";
-export * from "./controllers";
+export * from "./containerHostMappings.js";
+export * from "./operations.js";
+export * from "./controllers.js";
diff --git a/sdk/devspaces/arm-devspaces/src/operations/operations.ts b/sdk/devspaces/arm-devspaces/src/operations/operations.ts
index 9457b21ad780..ae3b31a01ba8 100644
--- a/sdk/devspaces/arm-devspaces/src/operations/operations.ts
+++ b/sdk/devspaces/arm-devspaces/src/operations/operations.ts
@@ -7,19 +7,19 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { Operations } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { Operations } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevSpacesManagementClient } from "../devSpacesManagementClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevSpacesManagementClient } from "../devSpacesManagementClient.js";
 import {
   ResourceProviderOperationDefinition,
   OperationsListNextOptionalParams,
   OperationsListOptionalParams,
   OperationsListResponse,
   OperationsListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing Operations operations. */
diff --git a/sdk/devspaces/arm-devspaces/src/operationsInterfaces/containerHostMappings.ts b/sdk/devspaces/arm-devspaces/src/operationsInterfaces/containerHostMappings.ts
index 6ed56fd6e472..86ddb8cba38a 100644
--- a/sdk/devspaces/arm-devspaces/src/operationsInterfaces/containerHostMappings.ts
+++ b/sdk/devspaces/arm-devspaces/src/operationsInterfaces/containerHostMappings.ts
@@ -10,7 +10,7 @@ import {
   ContainerHostMapping,
   ContainerHostMappingsGetContainerHostMappingOptionalParams,
   ContainerHostMappingsGetContainerHostMappingResponse
-} from "../models";
+} from "../models/index.js";
 
 /** Interface representing a ContainerHostMappings. */
 export interface ContainerHostMappings {
diff --git a/sdk/devspaces/arm-devspaces/src/operationsInterfaces/controllers.ts b/sdk/devspaces/arm-devspaces/src/operationsInterfaces/controllers.ts
index f50cf92f3718..1045bc0ab646 100644
--- a/sdk/devspaces/arm-devspaces/src/operationsInterfaces/controllers.ts
+++ b/sdk/devspaces/arm-devspaces/src/operationsInterfaces/controllers.ts
@@ -23,7 +23,7 @@ import {
   ListConnectionDetailsParameters,
   ControllersListConnectionDetailsOptionalParams,
   ControllersListConnectionDetailsResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a Controllers. */
diff --git a/sdk/devspaces/arm-devspaces/src/operationsInterfaces/index.ts b/sdk/devspaces/arm-devspaces/src/operationsInterfaces/index.ts
index 7811528619e3..9ad5db5c5a2c 100644
--- a/sdk/devspaces/arm-devspaces/src/operationsInterfaces/index.ts
+++ b/sdk/devspaces/arm-devspaces/src/operationsInterfaces/index.ts
@@ -6,6 +6,6 @@
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
  */
 
-export * from "./containerHostMappings";
-export * from "./operations";
-export * from "./controllers";
+export * from "./containerHostMappings.js";
+export * from "./operations.js";
+export * from "./controllers.js";
diff --git a/sdk/devspaces/arm-devspaces/src/operationsInterfaces/operations.ts b/sdk/devspaces/arm-devspaces/src/operationsInterfaces/operations.ts
index 934ff964106f..708942d6bf4e 100644
--- a/sdk/devspaces/arm-devspaces/src/operationsInterfaces/operations.ts
+++ b/sdk/devspaces/arm-devspaces/src/operationsInterfaces/operations.ts
@@ -10,7 +10,7 @@ import { PagedAsyncIterableIterator } from "@azure/core-paging";
 import {
   ResourceProviderOperationDefinition,
   OperationsListOptionalParams
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a Operations. */
diff --git a/sdk/devspaces/arm-devspaces/test/sampleTest.ts b/sdk/devspaces/arm-devspaces/test/sampleTest.spec.ts
similarity index 69%
rename from sdk/devspaces/arm-devspaces/test/sampleTest.ts
rename to sdk/devspaces/arm-devspaces/test/sampleTest.spec.ts
index 8ff7deb0acbe..86a13f7a74a4 100644
--- a/sdk/devspaces/arm-devspaces/test/sampleTest.ts
+++ b/sdk/devspaces/arm-devspaces/test/sampleTest.spec.ts
@@ -6,19 +6,15 @@
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
  */
 
-import {
-  Recorder,
-  RecorderStartOptions,
-  env
-} from "@azure-tools/test-recorder";
-import { assert } from "chai";
-import { Context } from "mocha";
+import type { RecorderStartOptions } from "@azure-tools/test-recorder";
+import { Recorder } from "@azure-tools/test-recorder";
+import { afterEach, beforeEach, describe, it, assert } from "vitest";
 
 const replaceableVariables: Record<string, string> = {
   AZURE_CLIENT_ID: "azure_client_id",
   AZURE_CLIENT_SECRET: "azure_client_secret",
   AZURE_TENANT_ID: "88888888-8888-8888-8888-888888888888",
-  SUBSCRIPTION_ID: "azure_subscription_id"
+  SUBSCRIPTION_ID: "azure_subscription_id",
 };
 
 const recorderOptions: RecorderStartOptions = {
@@ -32,16 +28,16 @@ const recorderOptions: RecorderStartOptions = {
 describe("My test", () => {
   let recorder: Recorder;
 
-  beforeEach(async function (this: Context) {
-    recorder = new Recorder(this.currentTest);
+  beforeEach(async (ctx) => {
+    recorder = new Recorder(ctx);
     await recorder.start(recorderOptions);
   });
 
-  afterEach(async function () {
+  afterEach(async () => {
     await recorder.stop();
   });
 
-  it("sample test", async function () {
-    console.log("Hi, I'm a test!");
+  it("sample test", async () => {
+    assert(true);
   });
 });
diff --git a/sdk/devspaces/arm-devspaces/tsconfig.browser.config.json b/sdk/devspaces/arm-devspaces/tsconfig.browser.config.json
new file mode 100644
index 000000000000..0c8bafa97126
--- /dev/null
+++ b/sdk/devspaces/arm-devspaces/tsconfig.browser.config.json
@@ -0,0 +1,6 @@
+{
+  "extends": [
+    "./tsconfig.test.json",
+    "../../../tsconfig.browser.base.json"
+  ]
+}
diff --git a/sdk/devspaces/arm-devspaces/tsconfig.json b/sdk/devspaces/arm-devspaces/tsconfig.json
index 4376cefa61eb..19ceb382b521 100644
--- a/sdk/devspaces/arm-devspaces/tsconfig.json
+++ b/sdk/devspaces/arm-devspaces/tsconfig.json
@@ -1,33 +1,13 @@
 {
-  "compilerOptions": {
-    "module": "es6",
-    "moduleResolution": "node",
-    "strict": true,
-    "target": "es6",
-    "sourceMap": true,
-    "declarationMap": true,
-    "esModuleInterop": true,
-    "allowSyntheticDefaultImports": true,
-    "forceConsistentCasingInFileNames": true,
-    "lib": [
-      "es6",
-      "dom"
-    ],
-    "declaration": true,
-    "outDir": "./dist-esm",
-    "importHelpers": true,
-    "paths": {
-      "@azure/arm-devspaces": [
-        "./src/index"
-      ]
+  "references": [
+    {
+      "path": "./tsconfig.src.json"
+    },
+    {
+      "path": "./tsconfig.samples.json"
+    },
+    {
+      "path": "./tsconfig.test.json"
     }
-  },
-  "include": [
-    "./src/**/*.ts",
-    "./test/**/*.ts",
-    "samples-dev/**/*.ts"
-  ],
-  "exclude": [
-    "node_modules"
   ]
-}
\ No newline at end of file
+}
diff --git a/sdk/devspaces/arm-devspaces/tsconfig.samples.json b/sdk/devspaces/arm-devspaces/tsconfig.samples.json
new file mode 100644
index 000000000000..936ddab46f2b
--- /dev/null
+++ b/sdk/devspaces/arm-devspaces/tsconfig.samples.json
@@ -0,0 +1,10 @@
+{
+  "extends": "../../../tsconfig.samples.base.json",
+  "compilerOptions": {
+    "paths": {
+      "@azure/arm-devspaces": [
+        "./dist/esm"
+      ]
+    }
+  }
+}
diff --git a/sdk/devspaces/arm-devspaces/tsconfig.src.json b/sdk/devspaces/arm-devspaces/tsconfig.src.json
new file mode 100644
index 000000000000..bae70752dd38
--- /dev/null
+++ b/sdk/devspaces/arm-devspaces/tsconfig.src.json
@@ -0,0 +1,3 @@
+{
+  "extends": "../../../tsconfig.lib.json"
+}
diff --git a/sdk/devspaces/arm-devspaces/tsconfig.test.json b/sdk/devspaces/arm-devspaces/tsconfig.test.json
new file mode 100644
index 000000000000..3c2b783a8c1b
--- /dev/null
+++ b/sdk/devspaces/arm-devspaces/tsconfig.test.json
@@ -0,0 +1,6 @@
+{
+  "extends": [
+    "./tsconfig.src.json",
+    "../../../tsconfig.test.base.json"
+  ]
+}
diff --git a/sdk/devspaces/arm-devspaces/vitest.browser.config.ts b/sdk/devspaces/arm-devspaces/vitest.browser.config.ts
new file mode 100644
index 000000000000..182729ab5ce9
--- /dev/null
+++ b/sdk/devspaces/arm-devspaces/vitest.browser.config.ts
@@ -0,0 +1,17 @@
+
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+import { defineConfig, mergeConfig } from "vitest/config";
+import viteConfig from "../../../vitest.browser.shared.config.ts";
+
+export default mergeConfig(
+  viteConfig,
+  defineConfig({
+    test: {
+      include: ["dist-test/browser/test/**/*.spec.js",],
+      testTimeout: 1200000,
+      hookTimeout: 1200000,
+    },
+  }),
+);
diff --git a/sdk/devspaces/arm-devspaces/vitest.config.ts b/sdk/devspaces/arm-devspaces/vitest.config.ts
new file mode 100644
index 000000000000..40e031385dd8
--- /dev/null
+++ b/sdk/devspaces/arm-devspaces/vitest.config.ts
@@ -0,0 +1,16 @@
+
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+import { defineConfig, mergeConfig } from "vitest/config";
+import viteConfig from "../../../vitest.shared.config.ts";
+
+export default mergeConfig(
+  viteConfig,
+  defineConfig({
+    test: {
+      testTimeout: 1200000,
+      hookTimeout: 1200000,
+    },
+  }),
+);
diff --git a/sdk/devspaces/arm-devspaces/vitest.esm.config.ts b/sdk/devspaces/arm-devspaces/vitest.esm.config.ts
new file mode 100644
index 000000000000..a70127279fc9
--- /dev/null
+++ b/sdk/devspaces/arm-devspaces/vitest.esm.config.ts
@@ -0,0 +1,12 @@
+
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+import { mergeConfig } from "vitest/config";
+import vitestConfig from "./vitest.config.ts";
+import vitestEsmConfig from "../../../vitest.esm.shared.config.ts";
+
+export default mergeConfig(
+  vitestConfig,
+  vitestEsmConfig
+);
diff --git a/sdk/devtestlabs/arm-devtestlabs/api-extractor.json b/sdk/devtestlabs/arm-devtestlabs/api-extractor.json
index da49126d2262..4f52c8879e68 100644
--- a/sdk/devtestlabs/arm-devtestlabs/api-extractor.json
+++ b/sdk/devtestlabs/arm-devtestlabs/api-extractor.json
@@ -1,6 +1,6 @@
 {
   "$schema": "https://developer.microsoft.com/json-schemas/api-extractor/v7/api-extractor.schema.json",
-  "mainEntryPointFilePath": "./dist-esm/src/index.d.ts",
+  "mainEntryPointFilePath": "dist/esm/index.d.ts",
   "docModel": {
     "enabled": true
   },
@@ -11,7 +11,7 @@
   "dtsRollup": {
     "enabled": true,
     "untrimmedFilePath": "",
-    "publicTrimmedFilePath": "./types/arm-devtestlabs.d.ts"
+    "publicTrimmedFilePath": "dist/arm-devtestlabs.d.ts"
   },
   "messages": {
     "tsdocMessageReporting": {
@@ -28,4 +28,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/sdk/devtestlabs/arm-devtestlabs/package.json b/sdk/devtestlabs/arm-devtestlabs/package.json
index 7b2329f7c9f6..23f22fc50529 100644
--- a/sdk/devtestlabs/arm-devtestlabs/package.json
+++ b/sdk/devtestlabs/arm-devtestlabs/package.json
@@ -24,21 +24,21 @@
     "isomorphic"
   ],
   "license": "MIT",
-  "main": "./dist/index.js",
-  "module": "./dist-esm/src/index.js",
-  "types": "./types/arm-devtestlabs.d.ts",
+  "main": "./dist/commonjs/index.js",
+  "module": "./dist/esm/index.js",
+  "types": "./dist/commonjs/index.d.ts",
   "devDependencies": {
-    "@azure-tools/test-credential": "^1.0.0",
-    "@azure-tools/test-recorder": "^3.0.0",
+    "@azure-tools/test-credential": "^2.0.0",
+    "@azure-tools/test-recorder": "^4.1.0",
+    "@azure-tools/test-utils-vitest": "^1.0.0",
     "@azure/dev-tool": "^1.0.0",
     "@azure/identity": "^4.0.1",
-    "@types/chai": "^4.2.8",
-    "@types/mocha": "^10.0.0",
     "@types/node": "^18.0.0",
-    "chai": "^4.2.0",
-    "mocha": "^11.0.2",
-    "ts-node": "^10.0.0",
-    "typescript": "~5.7.2"
+    "@vitest/browser": "^2.1.8",
+    "@vitest/coverage-istanbul": "^2.1.8",
+    "playwright": "^1.49.1",
+    "typescript": "~5.7.2",
+    "vitest": "^2.1.8"
   },
   "homepage": "https://github.com/Azure/azure-sdk-for-js/tree/main/sdk/devtestlabs/arm-devtestlabs",
   "repository": {
@@ -49,24 +49,14 @@
     "url": "https://github.com/Azure/azure-sdk-for-js/issues"
   },
   "files": [
-    "dist/**/*.js",
-    "dist/**/*.js.map",
-    "dist/**/*.d.ts",
-    "dist/**/*.d.ts.map",
-    "dist-esm/**/*.js",
-    "dist-esm/**/*.js.map",
-    "dist-esm/**/*.d.ts",
-    "dist-esm/**/*.d.ts.map",
-    "src/**/*.ts",
+    "dist/",
     "README.md",
     "LICENSE",
-    "tsconfig.json",
-    "review/*",
-    "CHANGELOG.md",
-    "types/*"
+    "review/",
+    "CHANGELOG.md"
   ],
   "scripts": {
-    "build": "npm run clean && tsc && dev-tool run bundle && npm run minify && dev-tool run vendored mkdirp ./review && npm run extract-api",
+    "build": "npm run clean && dev-tool run build-package && dev-tool run vendored mkdirp ./review && dev-tool run extract-api",
     "build:browser": "echo skipped",
     "build:node": "echo skipped",
     "build:samples": "echo skipped.",
@@ -78,7 +68,7 @@
     "format": "echo skipped",
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
-    "integration-test:node": "dev-tool run test:node-ts-input -- --timeout 1200000 'test/*.ts'",
+    "integration-test:node": "dev-tool run test:vitest --esm",
     "lint": "echo skipped",
     "minify": "dev-tool run vendored uglifyjs -c -m --comments --source-map \"content='./dist/index.js.map'\" -o ./dist/index.min.js ./dist/index.js",
     "pack": "npm pack 2>&1",
@@ -88,7 +78,7 @@
     "test:node": "echo skipped",
     "unit-test": "npm run unit-test:node && npm run unit-test:browser",
     "unit-test:browser": "echo skipped",
-    "unit-test:node": "dev-tool run vendored cross-env TEST_MODE=playback npm run integration-test:node",
+    "unit-test:node": "dev-tool run test:vitest",
     "update-snippets": "echo skipped"
   },
   "sideEffects": false,
@@ -108,5 +98,45 @@
     ],
     "disableDocsMs": true,
     "apiRefLink": "https://learn.microsoft.com/javascript/api/@azure/arm-devtestlabs?view=azure-node-preview"
+  },
+  "type": "module",
+  "tshy": {
+    "project": "./tsconfig.src.json",
+    "exports": {
+      "./package.json": "./package.json",
+      ".": "./src/index.ts"
+    },
+    "dialects": [
+      "esm",
+      "commonjs"
+    ],
+    "esmDialects": [
+      "browser",
+      "react-native"
+    ],
+    "selfLink": false
+  },
+  "browser": "./dist/browser/index.js",
+  "react-native": "./dist/react-native/index.js",
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "browser": {
+        "types": "./dist/browser/index.d.ts",
+        "default": "./dist/browser/index.js"
+      },
+      "react-native": {
+        "types": "./dist/react-native/index.d.ts",
+        "default": "./dist/react-native/index.js"
+      },
+      "import": {
+        "types": "./dist/esm/index.d.ts",
+        "default": "./dist/esm/index.js"
+      },
+      "require": {
+        "types": "./dist/commonjs/index.d.ts",
+        "default": "./dist/commonjs/index.js"
+      }
+    }
   }
 }
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/armTemplatesGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/armTemplatesGetSample.ts
index b85a58d849b0..97e84f07a60d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/armTemplatesGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/armTemplatesGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get azure resource manager template.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ArmTemplates_Get.json
  */
-async function armTemplatesGet() {
+async function armTemplatesGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/armTemplatesListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/armTemplatesListSample.ts
index 7106b31bd4ef..49c34aa104a2 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/armTemplatesListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/armTemplatesListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List azure resource manager templates in a given artifact source.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ArmTemplates_List.json
  */
-async function armTemplatesList() {
+async function armTemplatesList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactSourcesCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactSourcesCreateOrUpdateSample.ts
index 20bd3b43a213..afb04df5882c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactSourcesCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactSourcesCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing artifact source.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ArtifactSources_CreateOrUpdate.json
  */
-async function artifactSourcesCreateOrUpdate() {
+async function artifactSourcesCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactSourcesDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactSourcesDeleteSample.ts
index 0b47bf8ed448..5f66edde909a 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactSourcesDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactSourcesDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete artifact source.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ArtifactSources_Delete.json
  */
-async function artifactSourcesDelete() {
+async function artifactSourcesDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactSourcesGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactSourcesGetSample.ts
index b7df9206c35e..a15897fcc9ed 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactSourcesGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactSourcesGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get artifact source.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ArtifactSources_Get.json
  */
-async function artifactSourcesGet() {
+async function artifactSourcesGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactSourcesListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactSourcesListSample.ts
index b03e109aea03..14d9c632c623 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactSourcesListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactSourcesListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List artifact sources in a given lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ArtifactSources_List.json
  */
-async function artifactSourcesList() {
+async function artifactSourcesList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactSourcesUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactSourcesUpdateSample.ts
index c21d01524963..345c7ce1e3d5 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactSourcesUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactSourcesUpdateSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of artifact sources. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ArtifactSources_Update.json
  */
-async function artifactSourcesUpdate() {
+async function artifactSourcesUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactsGenerateArmTemplateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactsGenerateArmTemplateSample.ts
index 5aee02dbcad9..9d6a507e2f2a 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactsGenerateArmTemplateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactsGenerateArmTemplateSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Generates an ARM template for the given artifact, uploads the required files to a storage account, and validates the generated artifact.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Artifacts_GenerateArmTemplate.json
  */
-async function artifactsGenerateArmTemplate() {
+async function artifactsGenerateArmTemplate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactsGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactsGetSample.ts
index eb726eed213b..092a0a53558e 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactsGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactsGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get artifact.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Artifacts_Get.json
  */
-async function artifactsGet() {
+async function artifactsGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactsListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactsListSample.ts
index 743c77ebcf10..583afe544b7f 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactsListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/artifactsListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List artifacts in a given artifact source.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Artifacts_List.json
  */
-async function artifactsList() {
+async function artifactsList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/costsCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/costsCreateOrUpdateSample.ts
index dac39cef2ad1..95af5dd86957 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/costsCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/costsCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing cost.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Costs_CreateOrUpdate.json
  */
-async function costsCreateOrUpdate() {
+async function costsCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/costsGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/costsGetSample.ts
index 5a616a22e531..7ad5ea103ff0 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/costsGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/costsGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get cost.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Costs_Get.json
  */
-async function costsGet() {
+async function costsGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/customImagesCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/customImagesCreateOrUpdateSample.ts
index 194cc8a509ab..95b9d35277aa 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/customImagesCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/customImagesCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing custom image. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/CustomImages_CreateOrUpdate.json
  */
-async function customImagesCreateOrUpdate() {
+async function customImagesCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/customImagesDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/customImagesDeleteSample.ts
index b3502ee98bc9..b0e23c8596fe 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/customImagesDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/customImagesDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete custom image. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/CustomImages_Delete.json
  */
-async function customImagesDelete() {
+async function customImagesDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/customImagesGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/customImagesGetSample.ts
index 282148d3755d..b544361a331b 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/customImagesGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/customImagesGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get custom image.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/CustomImages_Get.json
  */
-async function customImagesGet() {
+async function customImagesGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/customImagesListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/customImagesListSample.ts
index d650a6e0f7fd..77f8d89e03ea 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/customImagesListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/customImagesListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List custom images in a given lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/CustomImages_List.json
  */
-async function customImagesList() {
+async function customImagesList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/customImagesUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/customImagesUpdateSample.ts
index 0456af65cb2e..6ea4a6c06ca6 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/customImagesUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/customImagesUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of custom images. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/CustomImages_Update.json
  */
-async function customImagesUpdate() {
+async function customImagesUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksAttachSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksAttachSample.ts
index 7038414c28f1..92e0023af009 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksAttachSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksAttachSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Attach and create the lease of the disk to the virtual machine. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Disks_Attach.json
  */
-async function disksAttach() {
+async function disksAttach(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksCreateOrUpdateSample.ts
index 0a38a52c0546..12ae6e4bc34c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing disk. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Disks_CreateOrUpdate.json
  */
-async function disksCreateOrUpdate() {
+async function disksCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksDeleteSample.ts
index 479b199492e9..94004b8393d5 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete disk. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Disks_Delete.json
  */
-async function disksDelete() {
+async function disksDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksDetachSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksDetachSample.ts
index a3fe7a030f43..f1887368c8cc 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksDetachSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksDetachSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Detach and break the lease of the disk attached to the virtual machine. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Disks_Detach.json
  */
-async function disksDetach() {
+async function disksDetach(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksGetSample.ts
index 2f78b0c3dbfd..d79f3ba37e4a 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get disk.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Disks_Get.json
  */
-async function disksGet() {
+async function disksGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksListSample.ts
index 674ca8ddc1de..ba776ee9e4f2 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List disks in a given user profile.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Disks_List.json
  */
-async function disksList() {
+async function disksList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksUpdateSample.ts
index 017445ff2147..b63e84feb7c8 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/disksUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of disks. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Disks_Update.json
  */
-async function disksUpdate() {
+async function disksUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/environmentsCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/environmentsCreateOrUpdateSample.ts
index 9d5b2e0e4c97..6ee1c73a9130 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/environmentsCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/environmentsCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing environment. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Environments_CreateOrUpdate.json
  */
-async function environmentsCreateOrUpdate() {
+async function environmentsCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/environmentsDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/environmentsDeleteSample.ts
index 177754a4d2e0..6f525041893d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/environmentsDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/environmentsDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete environment. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Environments_Delete.json
  */
-async function environmentsDelete() {
+async function environmentsDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/environmentsGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/environmentsGetSample.ts
index 44af7b8383b0..face49ddc9e0 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/environmentsGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/environmentsGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get environment.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Environments_Get.json
  */
-async function environmentsGet() {
+async function environmentsGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/environmentsListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/environmentsListSample.ts
index 1fee8ae2e166..f4899174210a 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/environmentsListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/environmentsListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List environments in a given user profile.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Environments_List.json
  */
-async function environmentsList() {
+async function environmentsList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/environmentsUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/environmentsUpdateSample.ts
index b9aa4c2fee5e..403fc3d4bd62 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/environmentsUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/environmentsUpdateSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of environments. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Environments_Update.json
  */
-async function environmentsUpdate() {
+async function environmentsUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/formulasCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/formulasCreateOrUpdateSample.ts
index 0b0647db0ba5..cadb0d8298d0 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/formulasCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/formulasCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing formula. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Formulas_CreateOrUpdate.json
  */
-async function formulasCreateOrUpdate() {
+async function formulasCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/formulasDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/formulasDeleteSample.ts
index f8631aeeb6ac..37a06ad3e17a 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/formulasDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/formulasDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete formula.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Formulas_Delete.json
  */
-async function formulasDelete() {
+async function formulasDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/formulasGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/formulasGetSample.ts
index 59d6dbdf2b35..925eed76a3e3 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/formulasGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/formulasGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get formula.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Formulas_Get.json
  */
-async function formulasGet() {
+async function formulasGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/formulasListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/formulasListSample.ts
index 51b67145d512..6df850002faf 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/formulasListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/formulasListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List formulas in a given lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Formulas_List.json
  */
-async function formulasList() {
+async function formulasList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/formulasUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/formulasUpdateSample.ts
index 74e04d82a5f4..87c932137053 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/formulasUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/formulasUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of formulas. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Formulas_Update.json
  */
-async function formulasUpdate() {
+async function formulasUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/galleryImagesListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/galleryImagesListSample.ts
index 23c4f806811c..0d59dce2a9a0 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/galleryImagesListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/galleryImagesListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List gallery images in a given lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/GalleryImages_List.json
  */
-async function galleryImagesList() {
+async function galleryImagesList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesCreateOrUpdateSample.ts
index 3d348cef2423..9d04b86aab40 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/GlobalSchedules_CreateOrUpdate.json
  */
-async function globalSchedulesCreateOrUpdate() {
+async function globalSchedulesCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "labvmautostart";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesDeleteSample.ts
index 06f66963b61b..50d69e759067 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/GlobalSchedules_Delete.json
  */
-async function globalSchedulesDelete() {
+async function globalSchedulesDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "labvmautostart";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesExecuteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesExecuteSample.ts
index cb631ef20c8f..865a22040600 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesExecuteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesExecuteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Execute a schedule. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/GlobalSchedules_Execute.json
  */
-async function globalSchedulesExecute() {
+async function globalSchedulesExecute(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "labvmautostart";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesGetSample.ts
index a7a12eb2de38..5ccf1a07b7b0 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/GlobalSchedules_Get.json
  */
-async function globalSchedulesGet() {
+async function globalSchedulesGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "labvmautostart";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesListByResourceGroupSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesListByResourceGroupSample.ts
index a440a800cc4a..6423188a9b8d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesListByResourceGroupSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesListByResourceGroupSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List schedules in a resource group.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/GlobalSchedules_ListByResourceGroup.json
  */
-async function globalSchedulesListByResourceGroup() {
+async function globalSchedulesListByResourceGroup(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const credential = new DefaultAzureCredential();
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesListBySubscriptionSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesListBySubscriptionSample.ts
index 25300a85b7f4..2c9e2563e7db 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesListBySubscriptionSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesListBySubscriptionSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List schedules in a subscription.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/GlobalSchedules_ListBySubscription.json
  */
-async function globalSchedulesListBySubscription() {
+async function globalSchedulesListBySubscription(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const credential = new DefaultAzureCredential();
   const client = new DevTestLabsClient(credential, subscriptionId);
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesRetargetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesRetargetSample.ts
index 662af51065e3..d70eba61a633 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesRetargetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesRetargetSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Updates a schedule's target resource Id. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/GlobalSchedules_Retarget.json
  */
-async function globalSchedulesRetarget() {
+async function globalSchedulesRetarget(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{scheduleName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesUpdateSample.ts
index da47903e5224..09e6544ba3bc 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/globalSchedulesUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of schedules. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/GlobalSchedules_Update.json
  */
-async function globalSchedulesUpdate() {
+async function globalSchedulesUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "labvmautostart";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsClaimAnyVMSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsClaimAnyVMSample.ts
index 8ed9a16f281b..b468dfb37bbb 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsClaimAnyVMSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsClaimAnyVMSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Claim a random claimable virtual machine in the lab. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_ClaimAnyVm.json
  */
-async function labsClaimAnyVM() {
+async function labsClaimAnyVM(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsCreateEnvironmentSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsCreateEnvironmentSample.ts
index be1b4222199b..ed1f7a788a85 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsCreateEnvironmentSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsCreateEnvironmentSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create virtual machines in a lab. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_CreateEnvironment.json
  */
-async function labsCreateEnvironment() {
+async function labsCreateEnvironment(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsCreateOrUpdateSample.ts
index 2c542735f322..c38415613ef1 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing lab. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_CreateOrUpdate.json
  */
-async function labsCreateOrUpdate() {
+async function labsCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsDeleteSample.ts
index 34dd8360f128..bdfa1cb13389 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete lab. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_Delete.json
  */
-async function labsDelete() {
+async function labsDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsExportResourceUsageSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsExportResourceUsageSample.ts
index fa4dab3d413e..a93443183026 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsExportResourceUsageSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsExportResourceUsageSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Exports the lab resource usage into a storage account This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_ExportResourceUsage.json
  */
-async function labsExportResourceUsage() {
+async function labsExportResourceUsage(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsGenerateUploadUriSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsGenerateUploadUriSample.ts
index e75ba6064836..54e93bf73984 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsGenerateUploadUriSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsGenerateUploadUriSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Generate a URI for uploading custom disk images to a Lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_GenerateUploadUri.json
  */
-async function labsGenerateUploadUri() {
+async function labsGenerateUploadUri(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsGetSample.ts
index c19a861d2e88..d824816bb4ef 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_Get.json
  */
-async function labsGet() {
+async function labsGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsImportVirtualMachineSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsImportVirtualMachineSample.ts
index 1d276f9e0a1e..8895cc95483c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsImportVirtualMachineSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsImportVirtualMachineSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Import a virtual machine into a different lab. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_ImportVirtualMachine.json
  */
-async function labsImportVirtualMachine() {
+async function labsImportVirtualMachine(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsListByResourceGroupSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsListByResourceGroupSample.ts
index b54fc3e98b05..b567c82f319c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsListByResourceGroupSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsListByResourceGroupSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List labs in a resource group.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_ListByResourceGroup.json
  */
-async function labsListByResourceGroup() {
+async function labsListByResourceGroup(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const credential = new DefaultAzureCredential();
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsListBySubscriptionSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsListBySubscriptionSample.ts
index da5950cd9d06..918f840c2180 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsListBySubscriptionSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsListBySubscriptionSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List labs in a subscription.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_ListBySubscription.json
  */
-async function labsListBySubscription() {
+async function labsListBySubscription(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const credential = new DefaultAzureCredential();
   const client = new DevTestLabsClient(credential, subscriptionId);
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsListVhdsSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsListVhdsSample.ts
index abe8bd2d5163..b3def15c3617 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsListVhdsSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsListVhdsSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List disk images available for custom image creation.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_ListVhds.json
  */
-async function labsListVhds() {
+async function labsListVhds(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsUpdateSample.ts
index d02f4f0aa201..03a679cc1e02 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/labsUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of labs. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_Update.json
  */
-async function labsUpdate() {
+async function labsUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsCreateOrUpdateSample.ts
index 2a747043f718..e49243dd8f23 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing notification channel.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/NotificationChannels_CreateOrUpdate.json
  */
-async function notificationChannelsCreateOrUpdate() {
+async function notificationChannelsCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsDeleteSample.ts
index 3e6692f68c11..c1853cc01e55 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete notification channel.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/NotificationChannels_Delete.json
  */
-async function notificationChannelsDelete() {
+async function notificationChannelsDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsGetSample.ts
index 395f02829d5c..bdd2bf9ecff3 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get notification channel.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/NotificationChannels_Get.json
  */
-async function notificationChannelsGet() {
+async function notificationChannelsGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsListSample.ts
index f0acfdd6f17b..f3e9fd828119 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List notification channels in a given lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/NotificationChannels_List.json
  */
-async function notificationChannelsList() {
+async function notificationChannelsList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsNotifySample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsNotifySample.ts
index 4d230ee03884..04d3895d644a 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsNotifySample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsNotifySample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Send notification to provided channel.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/NotificationChannels_Notify.json
  */
-async function notificationChannelsNotify() {
+async function notificationChannelsNotify(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsUpdateSample.ts
index abb22f6d5a1e..62cf01b3b78d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/notificationChannelsUpdateSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of notification channels. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/NotificationChannels_Update.json
  */
-async function notificationChannelsUpdate() {
+async function notificationChannelsUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/operationsGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/operationsGetSample.ts
index d5cdc7b4a3b2..900ff0767ec0 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/operationsGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/operationsGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get operation.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Operations_Get.json
  */
-async function operationsGet() {
+async function operationsGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const locationName = "{locationName}";
   const name = "{operationName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/policiesCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/policiesCreateOrUpdateSample.ts
index b395d803fe7a..e17e307fe5ed 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/policiesCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/policiesCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing policy.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Policies_CreateOrUpdate.json
  */
-async function policiesCreateOrUpdate() {
+async function policiesCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/policiesDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/policiesDeleteSample.ts
index 1a6b90b23d32..3fc891f9b85c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/policiesDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/policiesDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete policy.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Policies_Delete.json
  */
-async function policiesDelete() {
+async function policiesDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/policiesGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/policiesGetSample.ts
index f2ac425eeeee..f76b1bd9a372 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/policiesGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/policiesGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get policy.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Policies_Get.json
  */
-async function policiesGet() {
+async function policiesGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/policiesListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/policiesListSample.ts
index d30d8a34be69..972801ffc1ee 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/policiesListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/policiesListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List policies in a given policy set.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Policies_List.json
  */
-async function policiesList() {
+async function policiesList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/policiesUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/policiesUpdateSample.ts
index 9a0df9181890..f3d59e4584ee 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/policiesUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/policiesUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of policies. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Policies_Update.json
  */
-async function policiesUpdate() {
+async function policiesUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/policySetsEvaluatePoliciesSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/policySetsEvaluatePoliciesSample.ts
index 1824f64e0b02..5cd06821973d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/policySetsEvaluatePoliciesSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/policySetsEvaluatePoliciesSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Evaluates lab policy.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/PolicySets_EvaluatePolicies.json
  */
-async function policySetsEvaluatePolicies() {
+async function policySetsEvaluatePolicies(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/providerOperationsListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/providerOperationsListSample.ts
index f1287bbeb77e..7089c96a521c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/providerOperationsListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/providerOperationsListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Result of the request to list REST API operations
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ProviderOperations_List.json
  */
-async function providerOperationsList() {
+async function providerOperationsList(): Promise<void> {
   const subscriptionId = "00000000-0000-0000-0000-000000000000";
   const credential = new DefaultAzureCredential();
   const client = new DevTestLabsClient(credential, subscriptionId);
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesCreateOrUpdateSample.ts
index 47bd086bcd0a..c4fe149c6527 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Schedules_CreateOrUpdate.json
  */
-async function schedulesCreateOrUpdate() {
+async function schedulesCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesDeleteSample.ts
index a8de9f113e45..8981f83d3d89 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Schedules_Delete.json
  */
-async function schedulesDelete() {
+async function schedulesDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesExecuteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesExecuteSample.ts
index 0a937cc2f2c0..d4a4f8038c43 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesExecuteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesExecuteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Execute a schedule. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Schedules_Execute.json
  */
-async function schedulesExecute() {
+async function schedulesExecute(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesGetSample.ts
index ebf4944cf158..a6cd46248b0c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Schedules_Get.json
  */
-async function schedulesGet() {
+async function schedulesGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesListApplicableSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesListApplicableSample.ts
index 3c92265b4d10..7dd8262688ea 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesListApplicableSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesListApplicableSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Lists all applicable schedules
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Schedules_ListApplicable.json
  */
-async function schedulesListApplicable() {
+async function schedulesListApplicable(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesListSample.ts
index e0934e29e15a..7f88252e9894 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List schedules in a given lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Schedules_List.json
  */
-async function schedulesList() {
+async function schedulesList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesUpdateSample.ts
index 5271092dfb1a..5d21a1255af2 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/schedulesUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of schedules. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Schedules_Update.json
  */
-async function schedulesUpdate() {
+async function schedulesUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/secretsCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/secretsCreateOrUpdateSample.ts
index 1e6b79a526b7..c4e0f097942d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/secretsCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/secretsCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing secret. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Secrets_CreateOrUpdate.json
  */
-async function secretsCreateOrUpdate() {
+async function secretsCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/secretsDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/secretsDeleteSample.ts
index f2e53917fbb7..4f0fa377f4c6 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/secretsDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/secretsDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete secret.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Secrets_Delete.json
  */
-async function secretsDelete() {
+async function secretsDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/secretsGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/secretsGetSample.ts
index 35fe8ad6d01b..ef5c8446eda3 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/secretsGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/secretsGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get secret.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Secrets_Get.json
  */
-async function secretsGet() {
+async function secretsGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/secretsListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/secretsListSample.ts
index b2e98311283f..fea8af6a5485 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/secretsListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/secretsListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List secrets in a given user profile.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Secrets_List.json
  */
-async function secretsList() {
+async function secretsList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/secretsUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/secretsUpdateSample.ts
index f79059d24203..64f7feadb2cf 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/secretsUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/secretsUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of secrets. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Secrets_Update.json
  */
-async function secretsUpdate() {
+async function secretsUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesCreateOrUpdateSample.ts
index ad6e805d3503..5eb3bd9efcf6 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabricSchedules_CreateOrUpdate.json
  */
-async function serviceFabricSchedulesCreateOrUpdate() {
+async function serviceFabricSchedulesCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesDeleteSample.ts
index 339e0da8cd71..a9d729015a6c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabricSchedules_Delete.json
  */
-async function serviceFabricSchedulesDelete() {
+async function serviceFabricSchedulesDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesExecuteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesExecuteSample.ts
index 7e77788be160..efb14714caf7 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesExecuteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesExecuteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Execute a schedule. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabricSchedules_Execute.json
  */
-async function serviceFabricSchedulesExecute() {
+async function serviceFabricSchedulesExecute(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesGetSample.ts
index 01af49d6ee8a..4b7a4f674949 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabricSchedules_Get.json
  */
-async function serviceFabricSchedulesGet() {
+async function serviceFabricSchedulesGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesListSample.ts
index 42aa8b3fb358..e55d2eb40ca6 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List schedules in a given service fabric.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabricSchedules_List.json
  */
-async function serviceFabricSchedulesList() {
+async function serviceFabricSchedulesList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesUpdateSample.ts
index e6fba344c41e..6a419a1ec362 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricSchedulesUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of schedules. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabricSchedules_Update.json
  */
-async function serviceFabricSchedulesUpdate() {
+async function serviceFabricSchedulesUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsCreateOrUpdateSample.ts
index a797ace8c1e2..c7e2137eb37a 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing service fabric. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabrics_CreateOrUpdate.json
  */
-async function serviceFabricsCreateOrUpdate() {
+async function serviceFabricsCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsDeleteSample.ts
index 18a4530876ee..997383e34f39 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete service fabric. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabrics_Delete.json
  */
-async function serviceFabricsDelete() {
+async function serviceFabricsDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsGetSample.ts
index c977d00b71df..c6e4b414f1b1 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get service fabric.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabrics_Get.json
  */
-async function serviceFabricsGet() {
+async function serviceFabricsGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsListApplicableSchedulesSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsListApplicableSchedulesSample.ts
index dad7bac35e69..623d52ecbf8d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsListApplicableSchedulesSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsListApplicableSchedulesSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Lists the applicable start/stop schedules, if any.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabrics_ListApplicableSchedules.json
  */
-async function serviceFabricsListApplicableSchedules() {
+async function serviceFabricsListApplicableSchedules(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsListSample.ts
index 292da634250b..8a02bb6eae3e 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List service fabrics in a given user profile.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabrics_List.json
  */
-async function serviceFabricsList() {
+async function serviceFabricsList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsStartSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsStartSample.ts
index eaaac5158b21..02f0a08a6cf2 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsStartSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsStartSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Start a service fabric. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabrics_Start.json
  */
-async function serviceFabricsStart() {
+async function serviceFabricsStart(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsStopSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsStopSample.ts
index af30e289527d..5de7bd13a6cc 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsStopSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsStopSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Stop a service fabric This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabrics_Stop.json
  */
-async function serviceFabricsStop() {
+async function serviceFabricsStop(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsUpdateSample.ts
index 58950edeaade..a7759a457335 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceFabricsUpdateSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of service fabrics. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabrics_Update.json
  */
-async function serviceFabricsUpdate() {
+async function serviceFabricsUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceRunnersCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceRunnersCreateOrUpdateSample.ts
index f8f0fd7a16c3..deda08f9a6f8 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceRunnersCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceRunnersCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing service runner.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceRunners_CreateOrUpdate.json
  */
-async function serviceRunnersCreateOrUpdate() {
+async function serviceRunnersCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{devtestlabName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceRunnersDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceRunnersDeleteSample.ts
index 7b21791bcb6e..02b58bb7cead 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceRunnersDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceRunnersDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete service runner.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceRunners_Delete.json
  */
-async function serviceRunnersDelete() {
+async function serviceRunnersDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{devtestlabName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceRunnersGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceRunnersGetSample.ts
index 326f7b162ec4..3a0d2b5de5f7 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceRunnersGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/serviceRunnersGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get service runner.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceRunners_Get.json
  */
-async function serviceRunnersGet() {
+async function serviceRunnersGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{devtestlabName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/usersCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/usersCreateOrUpdateSample.ts
index 00617395040d..687bc0fd370b 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/usersCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/usersCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing user profile. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Users_CreateOrUpdate.json
  */
-async function usersCreateOrUpdate() {
+async function usersCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{devtestlabName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/usersDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/usersDeleteSample.ts
index 69280320d33e..80cb85d0b477 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/usersDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/usersDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete user profile. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Users_Delete.json
  */
-async function usersDelete() {
+async function usersDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{devtestlabName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/usersGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/usersGetSample.ts
index cab83ae39cef..b4933f7e4d6b 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/usersGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/usersGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get user profile.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Users_Get.json
  */
-async function usersGet() {
+async function usersGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{devtestlabName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/usersListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/usersListSample.ts
index d66fddf696c1..486dd9737ad5 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/usersListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/usersListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List user profiles in a given lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Users_List.json
  */
-async function usersList() {
+async function usersList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{devtestlabName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/usersUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/usersUpdateSample.ts
index 85a12f626feb..78b9b38cce50 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/usersUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/usersUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of user profiles. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Users_Update.json
  */
-async function usersUpdate() {
+async function usersUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{devtestlabName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesCreateOrUpdateSample.ts
index bd238f6fc331..151c1e4a854b 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachineSchedules_CreateOrUpdate.json
  */
-async function virtualMachineSchedulesCreateOrUpdate() {
+async function virtualMachineSchedulesCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesDeleteSample.ts
index b4f8ea7e4f40..e859bd60300c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachineSchedules_Delete.json
  */
-async function virtualMachineSchedulesDelete() {
+async function virtualMachineSchedulesDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesExecuteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesExecuteSample.ts
index 2dbd0deecbae..dcbda3c7858b 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesExecuteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesExecuteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Execute a schedule. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachineSchedules_Execute.json
  */
-async function virtualMachineSchedulesExecute() {
+async function virtualMachineSchedulesExecute(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesGetSample.ts
index c25efe87c4a0..f392dc4272cf 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachineSchedules_Get.json
  */
-async function virtualMachineSchedulesGet() {
+async function virtualMachineSchedulesGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesListSample.ts
index ced846c49565..6f5bc02a5bea 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List schedules in a given virtual machine.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachineSchedules_List.json
  */
-async function virtualMachineSchedulesList() {
+async function virtualMachineSchedulesList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesUpdateSample.ts
index 6c8e0f26c08c..ecb6e196729c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachineSchedulesUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of schedules. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachineSchedules_Update.json
  */
-async function virtualMachineSchedulesUpdate() {
+async function virtualMachineSchedulesUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesAddDataDiskSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesAddDataDiskSample.ts
index 17f7d54f9da2..cea828236a7d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesAddDataDiskSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesAddDataDiskSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Attach a new or existing data disk to virtual machine. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_AddDataDisk.json
  */
-async function virtualMachinesAddDataDisk() {
+async function virtualMachinesAddDataDisk(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesApplyArtifactsSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesApplyArtifactsSample.ts
index 46af4e1c56be..1e4c74f29c80 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesApplyArtifactsSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesApplyArtifactsSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Apply artifacts to virtual machine. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_ApplyArtifacts.json
  */
-async function virtualMachinesApplyArtifacts() {
+async function virtualMachinesApplyArtifacts(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesClaimSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesClaimSample.ts
index 29d584a8c3dd..b0de5c393b2d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesClaimSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesClaimSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Take ownership of an existing virtual machine This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_Claim.json
  */
-async function virtualMachinesClaim() {
+async function virtualMachinesClaim(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesCreateOrUpdateSample.ts
index ae39939e6ce9..c9f1d26c3a14 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing virtual machine. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_CreateOrUpdate.json
  */
-async function virtualMachinesCreateOrUpdate() {
+async function virtualMachinesCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesDeleteSample.ts
index 34c5650f050f..ce6bd8a86734 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete virtual machine. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_Delete.json
  */
-async function virtualMachinesDelete() {
+async function virtualMachinesDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesDetachDataDiskSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesDetachDataDiskSample.ts
index b4278a5dbf2e..4b5dc2291a30 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesDetachDataDiskSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesDetachDataDiskSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Detach the specified disk from the virtual machine. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_DetachDataDisk.json
  */
-async function virtualMachinesDetachDataDisk() {
+async function virtualMachinesDetachDataDisk(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesGetRdpFileContentsSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesGetRdpFileContentsSample.ts
index 6e4ba9c8d91f..f451a6678999 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesGetRdpFileContentsSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesGetRdpFileContentsSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Gets a string that represents the contents of the RDP file for the virtual machine
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_GetRdpFileContents.json
  */
-async function virtualMachinesGetRdpFileContents() {
+async function virtualMachinesGetRdpFileContents(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesGetSample.ts
index 45cbb51e14a8..633c0f68c095 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get virtual machine.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_Get.json
  */
-async function virtualMachinesGet() {
+async function virtualMachinesGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesListApplicableSchedulesSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesListApplicableSchedulesSample.ts
index d212ed4bb8c3..4ea317509d18 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesListApplicableSchedulesSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesListApplicableSchedulesSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Lists the applicable start/stop schedules, if any.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_ListApplicableSchedules.json
  */
-async function virtualMachinesListApplicableSchedules() {
+async function virtualMachinesListApplicableSchedules(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesListSample.ts
index 9d11a4cdb952..8e157a220565 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List virtual machines in a given lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_List.json
  */
-async function virtualMachinesList() {
+async function virtualMachinesList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesRedeploySample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesRedeploySample.ts
index 4c42727536af..d5ff0f06bbf7 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesRedeploySample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesRedeploySample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Redeploy a virtual machine This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_Redeploy.json
  */
-async function virtualMachinesRedeploy() {
+async function virtualMachinesRedeploy(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesResizeSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesResizeSample.ts
index 744aaa6b7aeb..97e07009b496 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesResizeSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesResizeSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Resize Virtual Machine. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_Resize.json
  */
-async function virtualMachinesResize() {
+async function virtualMachinesResize(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesRestartSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesRestartSample.ts
index 1dab79d87e94..52bc66dd9610 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesRestartSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesRestartSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Restart a virtual machine. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_Restart.json
  */
-async function virtualMachinesRestart() {
+async function virtualMachinesRestart(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesStartSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesStartSample.ts
index 0edfed3036bd..d166afff40f4 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesStartSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesStartSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Start a virtual machine. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_Start.json
  */
-async function virtualMachinesStart() {
+async function virtualMachinesStart(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesStopSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesStopSample.ts
index 5f1442c1e466..f151ae0cf808 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesStopSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesStopSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Stop a virtual machine This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_Stop.json
  */
-async function virtualMachinesStop() {
+async function virtualMachinesStop(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesTransferDisksSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesTransferDisksSample.ts
index d1ab33525b18..07eca379cff1 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesTransferDisksSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesTransferDisksSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Transfers all data disks attached to the virtual machine to be owned by the current user. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_TransferDisks.json
  */
-async function virtualMachinesTransferDisks() {
+async function virtualMachinesTransferDisks(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesUnClaimSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesUnClaimSample.ts
index b41fb78c38ee..67f1d5f69772 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesUnClaimSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesUnClaimSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Release ownership of an existing virtual machine This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_UnClaim.json
  */
-async function virtualMachinesUnClaim() {
+async function virtualMachinesUnClaim(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesUpdateSample.ts
index 5f6f8c5b78be..bbfff06b6b41 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualMachinesUpdateSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of virtual machines. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_Update.json
  */
-async function virtualMachinesUpdate() {
+async function virtualMachinesUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualNetworksCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualNetworksCreateOrUpdateSample.ts
index e71686aa7575..309d6c439e48 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualNetworksCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualNetworksCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing virtual network. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualNetworks_CreateOrUpdate.json
  */
-async function virtualNetworksCreateOrUpdate() {
+async function virtualNetworksCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualNetworksDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualNetworksDeleteSample.ts
index 08fed1271dfc..ae6af0f39d55 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualNetworksDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualNetworksDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete virtual network. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualNetworks_Delete.json
  */
-async function virtualNetworksDelete() {
+async function virtualNetworksDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualNetworksGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualNetworksGetSample.ts
index 43581b280e56..a294f5fb4798 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualNetworksGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualNetworksGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get virtual network.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualNetworks_Get.json
  */
-async function virtualNetworksGet() {
+async function virtualNetworksGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualNetworksListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualNetworksListSample.ts
index 01e41cc303a0..a1753ddcb23c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualNetworksListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualNetworksListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List virtual networks in a given lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualNetworks_List.json
  */
-async function virtualNetworksList() {
+async function virtualNetworksList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualNetworksUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualNetworksUpdateSample.ts
index 79df7641a8f6..0ebb42264939 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualNetworksUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples-dev/virtualNetworksUpdateSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of virtual networks. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualNetworks_Update.json
  */
-async function virtualNetworksUpdate() {
+async function virtualNetworksUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/armTemplatesGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/armTemplatesGetSample.ts
index b85a58d849b0..97e84f07a60d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/armTemplatesGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/armTemplatesGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get azure resource manager template.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ArmTemplates_Get.json
  */
-async function armTemplatesGet() {
+async function armTemplatesGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/armTemplatesListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/armTemplatesListSample.ts
index 7106b31bd4ef..49c34aa104a2 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/armTemplatesListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/armTemplatesListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List azure resource manager templates in a given artifact source.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ArmTemplates_List.json
  */
-async function armTemplatesList() {
+async function armTemplatesList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactSourcesCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactSourcesCreateOrUpdateSample.ts
index 20bd3b43a213..afb04df5882c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactSourcesCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactSourcesCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing artifact source.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ArtifactSources_CreateOrUpdate.json
  */
-async function artifactSourcesCreateOrUpdate() {
+async function artifactSourcesCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactSourcesDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactSourcesDeleteSample.ts
index 0b47bf8ed448..5f66edde909a 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactSourcesDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactSourcesDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete artifact source.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ArtifactSources_Delete.json
  */
-async function artifactSourcesDelete() {
+async function artifactSourcesDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactSourcesGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactSourcesGetSample.ts
index b7df9206c35e..a15897fcc9ed 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactSourcesGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactSourcesGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get artifact source.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ArtifactSources_Get.json
  */
-async function artifactSourcesGet() {
+async function artifactSourcesGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactSourcesListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactSourcesListSample.ts
index b03e109aea03..14d9c632c623 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactSourcesListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactSourcesListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List artifact sources in a given lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ArtifactSources_List.json
  */
-async function artifactSourcesList() {
+async function artifactSourcesList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactSourcesUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactSourcesUpdateSample.ts
index c21d01524963..345c7ce1e3d5 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactSourcesUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactSourcesUpdateSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of artifact sources. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ArtifactSources_Update.json
  */
-async function artifactSourcesUpdate() {
+async function artifactSourcesUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactsGenerateArmTemplateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactsGenerateArmTemplateSample.ts
index 5aee02dbcad9..9d6a507e2f2a 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactsGenerateArmTemplateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactsGenerateArmTemplateSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Generates an ARM template for the given artifact, uploads the required files to a storage account, and validates the generated artifact.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Artifacts_GenerateArmTemplate.json
  */
-async function artifactsGenerateArmTemplate() {
+async function artifactsGenerateArmTemplate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactsGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactsGetSample.ts
index eb726eed213b..092a0a53558e 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactsGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactsGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get artifact.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Artifacts_Get.json
  */
-async function artifactsGet() {
+async function artifactsGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactsListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactsListSample.ts
index 743c77ebcf10..583afe544b7f 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactsListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/artifactsListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List artifacts in a given artifact source.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Artifacts_List.json
  */
-async function artifactsList() {
+async function artifactsList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/costsCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/costsCreateOrUpdateSample.ts
index dac39cef2ad1..95af5dd86957 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/costsCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/costsCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing cost.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Costs_CreateOrUpdate.json
  */
-async function costsCreateOrUpdate() {
+async function costsCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/costsGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/costsGetSample.ts
index 5a616a22e531..7ad5ea103ff0 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/costsGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/costsGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get cost.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Costs_Get.json
  */
-async function costsGet() {
+async function costsGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/customImagesCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/customImagesCreateOrUpdateSample.ts
index 194cc8a509ab..95b9d35277aa 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/customImagesCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/customImagesCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing custom image. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/CustomImages_CreateOrUpdate.json
  */
-async function customImagesCreateOrUpdate() {
+async function customImagesCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/customImagesDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/customImagesDeleteSample.ts
index b3502ee98bc9..b0e23c8596fe 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/customImagesDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/customImagesDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete custom image. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/CustomImages_Delete.json
  */
-async function customImagesDelete() {
+async function customImagesDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/customImagesGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/customImagesGetSample.ts
index 282148d3755d..b544361a331b 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/customImagesGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/customImagesGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get custom image.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/CustomImages_Get.json
  */
-async function customImagesGet() {
+async function customImagesGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/customImagesListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/customImagesListSample.ts
index d650a6e0f7fd..77f8d89e03ea 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/customImagesListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/customImagesListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List custom images in a given lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/CustomImages_List.json
  */
-async function customImagesList() {
+async function customImagesList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/customImagesUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/customImagesUpdateSample.ts
index 0456af65cb2e..6ea4a6c06ca6 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/customImagesUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/customImagesUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of custom images. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/CustomImages_Update.json
  */
-async function customImagesUpdate() {
+async function customImagesUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksAttachSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksAttachSample.ts
index 7038414c28f1..92e0023af009 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksAttachSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksAttachSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Attach and create the lease of the disk to the virtual machine. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Disks_Attach.json
  */
-async function disksAttach() {
+async function disksAttach(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksCreateOrUpdateSample.ts
index 0a38a52c0546..12ae6e4bc34c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing disk. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Disks_CreateOrUpdate.json
  */
-async function disksCreateOrUpdate() {
+async function disksCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksDeleteSample.ts
index 479b199492e9..94004b8393d5 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete disk. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Disks_Delete.json
  */
-async function disksDelete() {
+async function disksDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksDetachSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksDetachSample.ts
index a3fe7a030f43..f1887368c8cc 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksDetachSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksDetachSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Detach and break the lease of the disk attached to the virtual machine. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Disks_Detach.json
  */
-async function disksDetach() {
+async function disksDetach(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksGetSample.ts
index 2f78b0c3dbfd..d79f3ba37e4a 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get disk.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Disks_Get.json
  */
-async function disksGet() {
+async function disksGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksListSample.ts
index 674ca8ddc1de..ba776ee9e4f2 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List disks in a given user profile.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Disks_List.json
  */
-async function disksList() {
+async function disksList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksUpdateSample.ts
index 017445ff2147..b63e84feb7c8 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/disksUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of disks. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Disks_Update.json
  */
-async function disksUpdate() {
+async function disksUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/environmentsCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/environmentsCreateOrUpdateSample.ts
index 9d5b2e0e4c97..6ee1c73a9130 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/environmentsCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/environmentsCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing environment. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Environments_CreateOrUpdate.json
  */
-async function environmentsCreateOrUpdate() {
+async function environmentsCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/environmentsDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/environmentsDeleteSample.ts
index 177754a4d2e0..6f525041893d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/environmentsDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/environmentsDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete environment. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Environments_Delete.json
  */
-async function environmentsDelete() {
+async function environmentsDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/environmentsGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/environmentsGetSample.ts
index 44af7b8383b0..face49ddc9e0 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/environmentsGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/environmentsGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get environment.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Environments_Get.json
  */
-async function environmentsGet() {
+async function environmentsGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/environmentsListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/environmentsListSample.ts
index 1fee8ae2e166..f4899174210a 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/environmentsListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/environmentsListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List environments in a given user profile.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Environments_List.json
  */
-async function environmentsList() {
+async function environmentsList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/environmentsUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/environmentsUpdateSample.ts
index b9aa4c2fee5e..403fc3d4bd62 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/environmentsUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/environmentsUpdateSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of environments. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Environments_Update.json
  */
-async function environmentsUpdate() {
+async function environmentsUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/formulasCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/formulasCreateOrUpdateSample.ts
index 0b0647db0ba5..cadb0d8298d0 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/formulasCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/formulasCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing formula. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Formulas_CreateOrUpdate.json
  */
-async function formulasCreateOrUpdate() {
+async function formulasCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/formulasDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/formulasDeleteSample.ts
index f8631aeeb6ac..37a06ad3e17a 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/formulasDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/formulasDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete formula.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Formulas_Delete.json
  */
-async function formulasDelete() {
+async function formulasDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/formulasGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/formulasGetSample.ts
index 59d6dbdf2b35..925eed76a3e3 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/formulasGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/formulasGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get formula.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Formulas_Get.json
  */
-async function formulasGet() {
+async function formulasGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/formulasListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/formulasListSample.ts
index 51b67145d512..6df850002faf 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/formulasListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/formulasListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List formulas in a given lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Formulas_List.json
  */
-async function formulasList() {
+async function formulasList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/formulasUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/formulasUpdateSample.ts
index 74e04d82a5f4..87c932137053 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/formulasUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/formulasUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of formulas. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Formulas_Update.json
  */
-async function formulasUpdate() {
+async function formulasUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/galleryImagesListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/galleryImagesListSample.ts
index 23c4f806811c..0d59dce2a9a0 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/galleryImagesListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/galleryImagesListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List gallery images in a given lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/GalleryImages_List.json
  */
-async function galleryImagesList() {
+async function galleryImagesList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesCreateOrUpdateSample.ts
index 3d348cef2423..9d04b86aab40 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/GlobalSchedules_CreateOrUpdate.json
  */
-async function globalSchedulesCreateOrUpdate() {
+async function globalSchedulesCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "labvmautostart";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesDeleteSample.ts
index 06f66963b61b..50d69e759067 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/GlobalSchedules_Delete.json
  */
-async function globalSchedulesDelete() {
+async function globalSchedulesDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "labvmautostart";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesExecuteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesExecuteSample.ts
index cb631ef20c8f..865a22040600 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesExecuteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesExecuteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Execute a schedule. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/GlobalSchedules_Execute.json
  */
-async function globalSchedulesExecute() {
+async function globalSchedulesExecute(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "labvmautostart";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesGetSample.ts
index a7a12eb2de38..5ccf1a07b7b0 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/GlobalSchedules_Get.json
  */
-async function globalSchedulesGet() {
+async function globalSchedulesGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "labvmautostart";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesListByResourceGroupSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesListByResourceGroupSample.ts
index a440a800cc4a..6423188a9b8d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesListByResourceGroupSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesListByResourceGroupSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List schedules in a resource group.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/GlobalSchedules_ListByResourceGroup.json
  */
-async function globalSchedulesListByResourceGroup() {
+async function globalSchedulesListByResourceGroup(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const credential = new DefaultAzureCredential();
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesListBySubscriptionSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesListBySubscriptionSample.ts
index 25300a85b7f4..2c9e2563e7db 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesListBySubscriptionSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesListBySubscriptionSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List schedules in a subscription.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/GlobalSchedules_ListBySubscription.json
  */
-async function globalSchedulesListBySubscription() {
+async function globalSchedulesListBySubscription(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const credential = new DefaultAzureCredential();
   const client = new DevTestLabsClient(credential, subscriptionId);
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesRetargetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesRetargetSample.ts
index 662af51065e3..d70eba61a633 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesRetargetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesRetargetSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Updates a schedule's target resource Id. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/GlobalSchedules_Retarget.json
  */
-async function globalSchedulesRetarget() {
+async function globalSchedulesRetarget(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{scheduleName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesUpdateSample.ts
index da47903e5224..09e6544ba3bc 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/globalSchedulesUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of schedules. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/GlobalSchedules_Update.json
  */
-async function globalSchedulesUpdate() {
+async function globalSchedulesUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "labvmautostart";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsClaimAnyVMSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsClaimAnyVMSample.ts
index 8ed9a16f281b..b468dfb37bbb 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsClaimAnyVMSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsClaimAnyVMSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Claim a random claimable virtual machine in the lab. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_ClaimAnyVm.json
  */
-async function labsClaimAnyVM() {
+async function labsClaimAnyVM(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsCreateEnvironmentSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsCreateEnvironmentSample.ts
index be1b4222199b..ed1f7a788a85 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsCreateEnvironmentSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsCreateEnvironmentSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create virtual machines in a lab. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_CreateEnvironment.json
  */
-async function labsCreateEnvironment() {
+async function labsCreateEnvironment(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsCreateOrUpdateSample.ts
index 2c542735f322..c38415613ef1 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing lab. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_CreateOrUpdate.json
  */
-async function labsCreateOrUpdate() {
+async function labsCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsDeleteSample.ts
index 34dd8360f128..bdfa1cb13389 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete lab. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_Delete.json
  */
-async function labsDelete() {
+async function labsDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsExportResourceUsageSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsExportResourceUsageSample.ts
index fa4dab3d413e..a93443183026 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsExportResourceUsageSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsExportResourceUsageSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Exports the lab resource usage into a storage account This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_ExportResourceUsage.json
  */
-async function labsExportResourceUsage() {
+async function labsExportResourceUsage(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsGenerateUploadUriSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsGenerateUploadUriSample.ts
index e75ba6064836..54e93bf73984 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsGenerateUploadUriSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsGenerateUploadUriSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Generate a URI for uploading custom disk images to a Lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_GenerateUploadUri.json
  */
-async function labsGenerateUploadUri() {
+async function labsGenerateUploadUri(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsGetSample.ts
index c19a861d2e88..d824816bb4ef 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_Get.json
  */
-async function labsGet() {
+async function labsGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsImportVirtualMachineSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsImportVirtualMachineSample.ts
index 1d276f9e0a1e..8895cc95483c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsImportVirtualMachineSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsImportVirtualMachineSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Import a virtual machine into a different lab. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_ImportVirtualMachine.json
  */
-async function labsImportVirtualMachine() {
+async function labsImportVirtualMachine(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsListByResourceGroupSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsListByResourceGroupSample.ts
index b54fc3e98b05..b567c82f319c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsListByResourceGroupSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsListByResourceGroupSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List labs in a resource group.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_ListByResourceGroup.json
  */
-async function labsListByResourceGroup() {
+async function labsListByResourceGroup(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const credential = new DefaultAzureCredential();
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsListBySubscriptionSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsListBySubscriptionSample.ts
index da5950cd9d06..918f840c2180 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsListBySubscriptionSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsListBySubscriptionSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List labs in a subscription.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_ListBySubscription.json
  */
-async function labsListBySubscription() {
+async function labsListBySubscription(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const credential = new DefaultAzureCredential();
   const client = new DevTestLabsClient(credential, subscriptionId);
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsListVhdsSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsListVhdsSample.ts
index abe8bd2d5163..b3def15c3617 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsListVhdsSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsListVhdsSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List disk images available for custom image creation.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_ListVhds.json
  */
-async function labsListVhds() {
+async function labsListVhds(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsUpdateSample.ts
index d02f4f0aa201..03a679cc1e02 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/labsUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of labs. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Labs_Update.json
  */
-async function labsUpdate() {
+async function labsUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const name = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsCreateOrUpdateSample.ts
index 2a747043f718..e49243dd8f23 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing notification channel.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/NotificationChannels_CreateOrUpdate.json
  */
-async function notificationChannelsCreateOrUpdate() {
+async function notificationChannelsCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsDeleteSample.ts
index 3e6692f68c11..c1853cc01e55 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete notification channel.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/NotificationChannels_Delete.json
  */
-async function notificationChannelsDelete() {
+async function notificationChannelsDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsGetSample.ts
index 395f02829d5c..bdd2bf9ecff3 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get notification channel.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/NotificationChannels_Get.json
  */
-async function notificationChannelsGet() {
+async function notificationChannelsGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsListSample.ts
index f0acfdd6f17b..f3e9fd828119 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List notification channels in a given lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/NotificationChannels_List.json
  */
-async function notificationChannelsList() {
+async function notificationChannelsList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsNotifySample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsNotifySample.ts
index 4d230ee03884..04d3895d644a 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsNotifySample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsNotifySample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Send notification to provided channel.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/NotificationChannels_Notify.json
  */
-async function notificationChannelsNotify() {
+async function notificationChannelsNotify(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsUpdateSample.ts
index abb22f6d5a1e..62cf01b3b78d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/notificationChannelsUpdateSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of notification channels. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/NotificationChannels_Update.json
  */
-async function notificationChannelsUpdate() {
+async function notificationChannelsUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/operationsGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/operationsGetSample.ts
index d5cdc7b4a3b2..900ff0767ec0 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/operationsGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/operationsGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get operation.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Operations_Get.json
  */
-async function operationsGet() {
+async function operationsGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const locationName = "{locationName}";
   const name = "{operationName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policiesCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policiesCreateOrUpdateSample.ts
index b395d803fe7a..e17e307fe5ed 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policiesCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policiesCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing policy.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Policies_CreateOrUpdate.json
  */
-async function policiesCreateOrUpdate() {
+async function policiesCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policiesDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policiesDeleteSample.ts
index 1a6b90b23d32..3fc891f9b85c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policiesDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policiesDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete policy.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Policies_Delete.json
  */
-async function policiesDelete() {
+async function policiesDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policiesGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policiesGetSample.ts
index f2ac425eeeee..f76b1bd9a372 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policiesGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policiesGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get policy.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Policies_Get.json
  */
-async function policiesGet() {
+async function policiesGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policiesListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policiesListSample.ts
index d30d8a34be69..972801ffc1ee 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policiesListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policiesListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List policies in a given policy set.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Policies_List.json
  */
-async function policiesList() {
+async function policiesList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policiesUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policiesUpdateSample.ts
index 9a0df9181890..f3d59e4584ee 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policiesUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policiesUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of policies. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Policies_Update.json
  */
-async function policiesUpdate() {
+async function policiesUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policySetsEvaluatePoliciesSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policySetsEvaluatePoliciesSample.ts
index 1824f64e0b02..5cd06821973d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policySetsEvaluatePoliciesSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/policySetsEvaluatePoliciesSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Evaluates lab policy.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/PolicySets_EvaluatePolicies.json
  */
-async function policySetsEvaluatePolicies() {
+async function policySetsEvaluatePolicies(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/providerOperationsListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/providerOperationsListSample.ts
index f1287bbeb77e..7089c96a521c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/providerOperationsListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/providerOperationsListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Result of the request to list REST API operations
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ProviderOperations_List.json
  */
-async function providerOperationsList() {
+async function providerOperationsList(): Promise<void> {
   const subscriptionId = "00000000-0000-0000-0000-000000000000";
   const credential = new DefaultAzureCredential();
   const client = new DevTestLabsClient(credential, subscriptionId);
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesCreateOrUpdateSample.ts
index 47bd086bcd0a..c4fe149c6527 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Schedules_CreateOrUpdate.json
  */
-async function schedulesCreateOrUpdate() {
+async function schedulesCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesDeleteSample.ts
index a8de9f113e45..8981f83d3d89 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Schedules_Delete.json
  */
-async function schedulesDelete() {
+async function schedulesDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesExecuteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesExecuteSample.ts
index 0a937cc2f2c0..d4a4f8038c43 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesExecuteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesExecuteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Execute a schedule. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Schedules_Execute.json
  */
-async function schedulesExecute() {
+async function schedulesExecute(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesGetSample.ts
index ebf4944cf158..a6cd46248b0c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Schedules_Get.json
  */
-async function schedulesGet() {
+async function schedulesGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesListApplicableSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesListApplicableSample.ts
index 3c92265b4d10..7dd8262688ea 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesListApplicableSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesListApplicableSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Lists all applicable schedules
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Schedules_ListApplicable.json
  */
-async function schedulesListApplicable() {
+async function schedulesListApplicable(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesListSample.ts
index e0934e29e15a..7f88252e9894 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List schedules in a given lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Schedules_List.json
  */
-async function schedulesList() {
+async function schedulesList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesUpdateSample.ts
index 5271092dfb1a..5d21a1255af2 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/schedulesUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of schedules. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Schedules_Update.json
  */
-async function schedulesUpdate() {
+async function schedulesUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/secretsCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/secretsCreateOrUpdateSample.ts
index 1e6b79a526b7..c4e0f097942d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/secretsCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/secretsCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing secret. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Secrets_CreateOrUpdate.json
  */
-async function secretsCreateOrUpdate() {
+async function secretsCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/secretsDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/secretsDeleteSample.ts
index f2e53917fbb7..4f0fa377f4c6 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/secretsDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/secretsDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete secret.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Secrets_Delete.json
  */
-async function secretsDelete() {
+async function secretsDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/secretsGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/secretsGetSample.ts
index 35fe8ad6d01b..ef5c8446eda3 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/secretsGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/secretsGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get secret.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Secrets_Get.json
  */
-async function secretsGet() {
+async function secretsGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/secretsListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/secretsListSample.ts
index b2e98311283f..fea8af6a5485 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/secretsListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/secretsListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List secrets in a given user profile.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Secrets_List.json
  */
-async function secretsList() {
+async function secretsList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/secretsUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/secretsUpdateSample.ts
index f79059d24203..64f7feadb2cf 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/secretsUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/secretsUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of secrets. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Secrets_Update.json
  */
-async function secretsUpdate() {
+async function secretsUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesCreateOrUpdateSample.ts
index ad6e805d3503..5eb3bd9efcf6 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabricSchedules_CreateOrUpdate.json
  */
-async function serviceFabricSchedulesCreateOrUpdate() {
+async function serviceFabricSchedulesCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesDeleteSample.ts
index 339e0da8cd71..a9d729015a6c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabricSchedules_Delete.json
  */
-async function serviceFabricSchedulesDelete() {
+async function serviceFabricSchedulesDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesExecuteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesExecuteSample.ts
index 7e77788be160..efb14714caf7 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesExecuteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesExecuteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Execute a schedule. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabricSchedules_Execute.json
  */
-async function serviceFabricSchedulesExecute() {
+async function serviceFabricSchedulesExecute(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesGetSample.ts
index 01af49d6ee8a..4b7a4f674949 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabricSchedules_Get.json
  */
-async function serviceFabricSchedulesGet() {
+async function serviceFabricSchedulesGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesListSample.ts
index 42aa8b3fb358..e55d2eb40ca6 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List schedules in a given service fabric.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabricSchedules_List.json
  */
-async function serviceFabricSchedulesList() {
+async function serviceFabricSchedulesList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesUpdateSample.ts
index e6fba344c41e..6a419a1ec362 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricSchedulesUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of schedules. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabricSchedules_Update.json
  */
-async function serviceFabricSchedulesUpdate() {
+async function serviceFabricSchedulesUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsCreateOrUpdateSample.ts
index a797ace8c1e2..c7e2137eb37a 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing service fabric. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabrics_CreateOrUpdate.json
  */
-async function serviceFabricsCreateOrUpdate() {
+async function serviceFabricsCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsDeleteSample.ts
index 18a4530876ee..997383e34f39 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete service fabric. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabrics_Delete.json
  */
-async function serviceFabricsDelete() {
+async function serviceFabricsDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsGetSample.ts
index c977d00b71df..c6e4b414f1b1 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get service fabric.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabrics_Get.json
  */
-async function serviceFabricsGet() {
+async function serviceFabricsGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsListApplicableSchedulesSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsListApplicableSchedulesSample.ts
index dad7bac35e69..623d52ecbf8d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsListApplicableSchedulesSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsListApplicableSchedulesSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Lists the applicable start/stop schedules, if any.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabrics_ListApplicableSchedules.json
  */
-async function serviceFabricsListApplicableSchedules() {
+async function serviceFabricsListApplicableSchedules(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsListSample.ts
index 292da634250b..8a02bb6eae3e 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List service fabrics in a given user profile.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabrics_List.json
  */
-async function serviceFabricsList() {
+async function serviceFabricsList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsStartSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsStartSample.ts
index eaaac5158b21..02f0a08a6cf2 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsStartSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsStartSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Start a service fabric. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabrics_Start.json
  */
-async function serviceFabricsStart() {
+async function serviceFabricsStart(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsStopSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsStopSample.ts
index af30e289527d..5de7bd13a6cc 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsStopSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsStopSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Stop a service fabric This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabrics_Stop.json
  */
-async function serviceFabricsStop() {
+async function serviceFabricsStop(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsUpdateSample.ts
index 58950edeaade..a7759a457335 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceFabricsUpdateSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of service fabrics. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceFabrics_Update.json
  */
-async function serviceFabricsUpdate() {
+async function serviceFabricsUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceRunnersCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceRunnersCreateOrUpdateSample.ts
index f8f0fd7a16c3..deda08f9a6f8 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceRunnersCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceRunnersCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing service runner.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceRunners_CreateOrUpdate.json
  */
-async function serviceRunnersCreateOrUpdate() {
+async function serviceRunnersCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{devtestlabName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceRunnersDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceRunnersDeleteSample.ts
index 7b21791bcb6e..02b58bb7cead 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceRunnersDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceRunnersDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete service runner.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceRunners_Delete.json
  */
-async function serviceRunnersDelete() {
+async function serviceRunnersDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{devtestlabName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceRunnersGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceRunnersGetSample.ts
index 326f7b162ec4..3a0d2b5de5f7 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceRunnersGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/serviceRunnersGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get service runner.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ServiceRunners_Get.json
  */
-async function serviceRunnersGet() {
+async function serviceRunnersGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{devtestlabName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/usersCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/usersCreateOrUpdateSample.ts
index 00617395040d..687bc0fd370b 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/usersCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/usersCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing user profile. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Users_CreateOrUpdate.json
  */
-async function usersCreateOrUpdate() {
+async function usersCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{devtestlabName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/usersDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/usersDeleteSample.ts
index 69280320d33e..80cb85d0b477 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/usersDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/usersDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete user profile. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Users_Delete.json
  */
-async function usersDelete() {
+async function usersDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{devtestlabName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/usersGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/usersGetSample.ts
index cab83ae39cef..b4933f7e4d6b 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/usersGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/usersGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get user profile.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Users_Get.json
  */
-async function usersGet() {
+async function usersGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{devtestlabName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/usersListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/usersListSample.ts
index d66fddf696c1..486dd9737ad5 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/usersListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/usersListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List user profiles in a given lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Users_List.json
  */
-async function usersList() {
+async function usersList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{devtestlabName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/usersUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/usersUpdateSample.ts
index 85a12f626feb..78b9b38cce50 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/usersUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/usersUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of user profiles. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/Users_Update.json
  */
-async function usersUpdate() {
+async function usersUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{devtestlabName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesCreateOrUpdateSample.ts
index bd238f6fc331..151c1e4a854b 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachineSchedules_CreateOrUpdate.json
  */
-async function virtualMachineSchedulesCreateOrUpdate() {
+async function virtualMachineSchedulesCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesDeleteSample.ts
index b4f8ea7e4f40..e859bd60300c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachineSchedules_Delete.json
  */
-async function virtualMachineSchedulesDelete() {
+async function virtualMachineSchedulesDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesExecuteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesExecuteSample.ts
index 2dbd0deecbae..dcbda3c7858b 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesExecuteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesExecuteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Execute a schedule. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachineSchedules_Execute.json
  */
-async function virtualMachineSchedulesExecute() {
+async function virtualMachineSchedulesExecute(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesGetSample.ts
index c25efe87c4a0..f392dc4272cf 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get schedule.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachineSchedules_Get.json
  */
-async function virtualMachineSchedulesGet() {
+async function virtualMachineSchedulesGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesListSample.ts
index ced846c49565..6f5bc02a5bea 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List schedules in a given virtual machine.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachineSchedules_List.json
  */
-async function virtualMachineSchedulesList() {
+async function virtualMachineSchedulesList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesUpdateSample.ts
index 6c8e0f26c08c..ecb6e196729c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachineSchedulesUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of schedules. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachineSchedules_Update.json
  */
-async function virtualMachineSchedulesUpdate() {
+async function virtualMachineSchedulesUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesAddDataDiskSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesAddDataDiskSample.ts
index 17f7d54f9da2..cea828236a7d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesAddDataDiskSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesAddDataDiskSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Attach a new or existing data disk to virtual machine. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_AddDataDisk.json
  */
-async function virtualMachinesAddDataDisk() {
+async function virtualMachinesAddDataDisk(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesApplyArtifactsSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesApplyArtifactsSample.ts
index 46af4e1c56be..1e4c74f29c80 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesApplyArtifactsSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesApplyArtifactsSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Apply artifacts to virtual machine. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_ApplyArtifacts.json
  */
-async function virtualMachinesApplyArtifacts() {
+async function virtualMachinesApplyArtifacts(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesClaimSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesClaimSample.ts
index 29d584a8c3dd..b0de5c393b2d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesClaimSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesClaimSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Take ownership of an existing virtual machine This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_Claim.json
  */
-async function virtualMachinesClaim() {
+async function virtualMachinesClaim(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesCreateOrUpdateSample.ts
index ae39939e6ce9..c9f1d26c3a14 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing virtual machine. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_CreateOrUpdate.json
  */
-async function virtualMachinesCreateOrUpdate() {
+async function virtualMachinesCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesDeleteSample.ts
index 34c5650f050f..ce6bd8a86734 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete virtual machine. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_Delete.json
  */
-async function virtualMachinesDelete() {
+async function virtualMachinesDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesDetachDataDiskSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesDetachDataDiskSample.ts
index b4278a5dbf2e..4b5dc2291a30 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesDetachDataDiskSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesDetachDataDiskSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Detach the specified disk from the virtual machine. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_DetachDataDisk.json
  */
-async function virtualMachinesDetachDataDisk() {
+async function virtualMachinesDetachDataDisk(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesGetRdpFileContentsSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesGetRdpFileContentsSample.ts
index 6e4ba9c8d91f..f451a6678999 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesGetRdpFileContentsSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesGetRdpFileContentsSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Gets a string that represents the contents of the RDP file for the virtual machine
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_GetRdpFileContents.json
  */
-async function virtualMachinesGetRdpFileContents() {
+async function virtualMachinesGetRdpFileContents(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesGetSample.ts
index 45cbb51e14a8..633c0f68c095 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get virtual machine.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_Get.json
  */
-async function virtualMachinesGet() {
+async function virtualMachinesGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesListApplicableSchedulesSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesListApplicableSchedulesSample.ts
index d212ed4bb8c3..4ea317509d18 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesListApplicableSchedulesSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesListApplicableSchedulesSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Lists the applicable start/stop schedules, if any.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_ListApplicableSchedules.json
  */
-async function virtualMachinesListApplicableSchedules() {
+async function virtualMachinesListApplicableSchedules(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesListSample.ts
index 9d11a4cdb952..8e157a220565 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List virtual machines in a given lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_List.json
  */
-async function virtualMachinesList() {
+async function virtualMachinesList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesRedeploySample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesRedeploySample.ts
index 4c42727536af..d5ff0f06bbf7 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesRedeploySample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesRedeploySample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Redeploy a virtual machine This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_Redeploy.json
  */
-async function virtualMachinesRedeploy() {
+async function virtualMachinesRedeploy(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesResizeSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesResizeSample.ts
index 744aaa6b7aeb..97e07009b496 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesResizeSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesResizeSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Resize Virtual Machine. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_Resize.json
  */
-async function virtualMachinesResize() {
+async function virtualMachinesResize(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesRestartSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesRestartSample.ts
index 1dab79d87e94..52bc66dd9610 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesRestartSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesRestartSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Restart a virtual machine. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_Restart.json
  */
-async function virtualMachinesRestart() {
+async function virtualMachinesRestart(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesStartSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesStartSample.ts
index 0edfed3036bd..d166afff40f4 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesStartSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesStartSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Start a virtual machine. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_Start.json
  */
-async function virtualMachinesStart() {
+async function virtualMachinesStart(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesStopSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesStopSample.ts
index 5f1442c1e466..f151ae0cf808 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesStopSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesStopSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Stop a virtual machine This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_Stop.json
  */
-async function virtualMachinesStop() {
+async function virtualMachinesStop(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesTransferDisksSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesTransferDisksSample.ts
index d1ab33525b18..07eca379cff1 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesTransferDisksSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesTransferDisksSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Transfers all data disks attached to the virtual machine to be owned by the current user. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_TransferDisks.json
  */
-async function virtualMachinesTransferDisks() {
+async function virtualMachinesTransferDisks(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesUnClaimSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesUnClaimSample.ts
index b41fb78c38ee..67f1d5f69772 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesUnClaimSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesUnClaimSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Release ownership of an existing virtual machine This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_UnClaim.json
  */
-async function virtualMachinesUnClaim() {
+async function virtualMachinesUnClaim(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesUpdateSample.ts
index 5f6f8c5b78be..bbfff06b6b41 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualMachinesUpdateSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of virtual machines. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualMachines_Update.json
  */
-async function virtualMachinesUpdate() {
+async function virtualMachinesUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualNetworksCreateOrUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualNetworksCreateOrUpdateSample.ts
index e71686aa7575..309d6c439e48 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualNetworksCreateOrUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualNetworksCreateOrUpdateSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Create or replace an existing virtual network. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualNetworks_CreateOrUpdate.json
  */
-async function virtualNetworksCreateOrUpdate() {
+async function virtualNetworksCreateOrUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualNetworksDeleteSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualNetworksDeleteSample.ts
index 08fed1271dfc..ae6af0f39d55 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualNetworksDeleteSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualNetworksDeleteSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Delete virtual network. This operation can take a while to complete.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualNetworks_Delete.json
  */
-async function virtualNetworksDelete() {
+async function virtualNetworksDelete(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualNetworksGetSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualNetworksGetSample.ts
index 43581b280e56..a294f5fb4798 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualNetworksGetSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualNetworksGetSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Get virtual network.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualNetworks_Get.json
  */
-async function virtualNetworksGet() {
+async function virtualNetworksGet(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualNetworksListSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualNetworksListSample.ts
index 01e41cc303a0..a1753ddcb23c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualNetworksListSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualNetworksListSample.ts
@@ -17,7 +17,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary List virtual networks in a given lab.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualNetworks_List.json
  */
-async function virtualNetworksList() {
+async function virtualNetworksList(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualNetworksUpdateSample.ts b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualNetworksUpdateSample.ts
index 79df7641a8f6..0ebb42264939 100644
--- a/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualNetworksUpdateSample.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/samples/v4/typescript/src/virtualNetworksUpdateSample.ts
@@ -20,7 +20,7 @@ import { DefaultAzureCredential } from "@azure/identity";
  * @summary Allows modifying tags of virtual networks. All other properties will be ignored.
  * x-ms-original-file: specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/VirtualNetworks_Update.json
  */
-async function virtualNetworksUpdate() {
+async function virtualNetworksUpdate(): Promise<void> {
   const subscriptionId = "{subscriptionId}";
   const resourceGroupName = "resourceGroupName";
   const labName = "{labName}";
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/devTestLabsClient.ts b/sdk/devtestlabs/arm-devtestlabs/src/devTestLabsClient.ts
index 43bf5698cbf2..e36f34db7e57 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/devTestLabsClient.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/devTestLabsClient.ts
@@ -40,7 +40,7 @@ import {
   VirtualMachinesImpl,
   VirtualMachineSchedulesImpl,
   VirtualNetworksImpl
-} from "./operations";
+} from "./operations/index.js";
 import {
   ProviderOperations,
   Labs,
@@ -67,8 +67,8 @@ import {
   VirtualMachines,
   VirtualMachineSchedules,
   VirtualNetworks
-} from "./operationsInterfaces";
-import { DevTestLabsClientOptionalParams } from "./models";
+} from "./operationsInterfaces/index.js";
+import { DevTestLabsClientOptionalParams } from "./models/index.js";
 
 export class DevTestLabsClient extends coreClient.ServiceClient {
   $host: string;
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/index.ts b/sdk/devtestlabs/arm-devtestlabs/src/index.ts
index ef18077420bd..ad8b8c37dd6f 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/index.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/index.ts
@@ -7,7 +7,7 @@
  */
 
 /// <reference lib="esnext.asynciterable" />
-export { getContinuationToken } from "./pagingHelper";
-export * from "./models";
-export { DevTestLabsClient } from "./devTestLabsClient";
-export * from "./operationsInterfaces";
+export { getContinuationToken } from "./pagingHelper.js";
+export * from "./models/index.js";
+export { DevTestLabsClient } from "./devTestLabsClient.js";
+export * from "./operationsInterfaces/index.js";
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/models/parameters.ts b/sdk/devtestlabs/arm-devtestlabs/src/models/parameters.ts
index 5400bb6e6dc4..396958e62710 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/models/parameters.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/models/parameters.ts
@@ -56,7 +56,7 @@ import {
   ResizeLabVirtualMachineProperties as ResizeLabVirtualMachinePropertiesMapper,
   VirtualNetwork as VirtualNetworkMapper,
   VirtualNetworkFragment as VirtualNetworkFragmentMapper
-} from "../models/mappers";
+} from "../models/mappers.js";
 
 export const accept: OperationParameter = {
   parameterPath: "accept",
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/armTemplates.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/armTemplates.ts
index 80b7b4dda74f..9b1c7cfef254 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/armTemplates.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/armTemplates.ts
@@ -7,12 +7,12 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { ArmTemplates } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { ArmTemplates } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import {
   ArmTemplate,
   ArmTemplatesListNextOptionalParams,
@@ -21,7 +21,7 @@ import {
   ArmTemplatesGetOptionalParams,
   ArmTemplatesGetResponse,
   ArmTemplatesListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing ArmTemplates operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/artifactSources.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/artifactSources.ts
index 5f8b4ebe725f..e476df9f6aff 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/artifactSources.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/artifactSources.ts
@@ -7,12 +7,12 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { ArtifactSources } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { ArtifactSources } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import {
   ArtifactSource,
   ArtifactSourcesListNextOptionalParams,
@@ -27,7 +27,7 @@ import {
   ArtifactSourcesUpdateOptionalParams,
   ArtifactSourcesUpdateResponse,
   ArtifactSourcesListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing ArtifactSources operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/artifacts.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/artifacts.ts
index 0250980f94b5..8be55c38d8bd 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/artifacts.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/artifacts.ts
@@ -7,12 +7,12 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { Artifacts } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { Artifacts } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import {
   Artifact,
   ArtifactsListNextOptionalParams,
@@ -24,7 +24,7 @@ import {
   ArtifactsGenerateArmTemplateOptionalParams,
   ArtifactsGenerateArmTemplateResponse,
   ArtifactsListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing Artifacts operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/costs.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/costs.ts
index 69f89a265416..cab4771874a4 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/costs.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/costs.ts
@@ -6,18 +6,18 @@
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
  */
 
-import { Costs } from "../operationsInterfaces";
+import { Costs } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import {
   CostsGetOptionalParams,
   CostsGetResponse,
   LabCost,
   CostsCreateOrUpdateOptionalParams,
   CostsCreateOrUpdateResponse
-} from "../models";
+} from "../models/index.js";
 
 /** Class containing Costs operations. */
 export class CostsImpl implements Costs {
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/customImages.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/customImages.ts
index a4aa2d60c0de..86f5348ee165 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/customImages.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/customImages.ts
@@ -7,14 +7,14 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { CustomImages } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { CustomImages } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import { PollerLike, PollOperationState, LroEngine } from "@azure/core-lro";
-import { LroImpl } from "../lroImpl";
+import { LroImpl } from "../lroImpl.js";
 import {
   CustomImage,
   CustomImagesListNextOptionalParams,
@@ -29,7 +29,7 @@ import {
   CustomImagesUpdateOptionalParams,
   CustomImagesUpdateResponse,
   CustomImagesListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing CustomImages operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/disks.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/disks.ts
index 2476b129284c..c9ce438782de 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/disks.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/disks.ts
@@ -7,14 +7,14 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { Disks } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { Disks } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import { PollerLike, PollOperationState, LroEngine } from "@azure/core-lro";
-import { LroImpl } from "../lroImpl";
+import { LroImpl } from "../lroImpl.js";
 import {
   Disk,
   DisksListNextOptionalParams,
@@ -33,7 +33,7 @@ import {
   DetachDiskProperties,
   DisksDetachOptionalParams,
   DisksListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing Disks operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/environments.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/environments.ts
index 3a83f813fd9d..f0ff59b8b2dc 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/environments.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/environments.ts
@@ -7,14 +7,14 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { Environments } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { Environments } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import { PollerLike, PollOperationState, LroEngine } from "@azure/core-lro";
-import { LroImpl } from "../lroImpl";
+import { LroImpl } from "../lroImpl.js";
 import {
   DtlEnvironment,
   EnvironmentsListNextOptionalParams,
@@ -29,7 +29,7 @@ import {
   EnvironmentsUpdateOptionalParams,
   EnvironmentsUpdateResponse,
   EnvironmentsListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing Environments operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/formulas.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/formulas.ts
index d4df6b64233a..9c69d1879128 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/formulas.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/formulas.ts
@@ -7,14 +7,14 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { Formulas } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { Formulas } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import { PollerLike, PollOperationState, LroEngine } from "@azure/core-lro";
-import { LroImpl } from "../lroImpl";
+import { LroImpl } from "../lroImpl.js";
 import {
   Formula,
   FormulasListNextOptionalParams,
@@ -29,7 +29,7 @@ import {
   FormulasUpdateOptionalParams,
   FormulasUpdateResponse,
   FormulasListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing Formulas operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/galleryImages.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/galleryImages.ts
index fd1e196a8a38..19f97d83e2d8 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/galleryImages.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/galleryImages.ts
@@ -7,19 +7,19 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { GalleryImages } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { GalleryImages } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import {
   GalleryImage,
   GalleryImagesListNextOptionalParams,
   GalleryImagesListOptionalParams,
   GalleryImagesListResponse,
   GalleryImagesListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing GalleryImages operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/globalSchedules.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/globalSchedules.ts
index b482cad4c6ad..987caefdf4bf 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/globalSchedules.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/globalSchedules.ts
@@ -7,14 +7,14 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { GlobalSchedules } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { GlobalSchedules } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import { PollerLike, PollOperationState, LroEngine } from "@azure/core-lro";
-import { LroImpl } from "../lroImpl";
+import { LroImpl } from "../lroImpl.js";
 import {
   Schedule,
   GlobalSchedulesListBySubscriptionNextOptionalParams,
@@ -36,7 +36,7 @@ import {
   GlobalSchedulesRetargetOptionalParams,
   GlobalSchedulesListBySubscriptionNextResponse,
   GlobalSchedulesListByResourceGroupNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing GlobalSchedules operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/index.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/index.ts
index ed76356e15ec..e260043cc653 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/index.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/index.ts
@@ -6,28 +6,28 @@
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
  */
 
-export * from "./providerOperations";
-export * from "./labs";
-export * from "./operations";
-export * from "./globalSchedules";
-export * from "./artifactSources";
-export * from "./armTemplates";
-export * from "./artifacts";
-export * from "./costs";
-export * from "./customImages";
-export * from "./formulas";
-export * from "./galleryImages";
-export * from "./notificationChannels";
-export * from "./policySets";
-export * from "./policies";
-export * from "./schedules";
-export * from "./serviceRunners";
-export * from "./users";
-export * from "./disks";
-export * from "./environments";
-export * from "./secrets";
-export * from "./serviceFabrics";
-export * from "./serviceFabricSchedules";
-export * from "./virtualMachines";
-export * from "./virtualMachineSchedules";
-export * from "./virtualNetworks";
+export * from "./providerOperations.js";
+export * from "./labs.js";
+export * from "./operations.js";
+export * from "./globalSchedules.js";
+export * from "./artifactSources.js";
+export * from "./armTemplates.js";
+export * from "./artifacts.js";
+export * from "./costs.js";
+export * from "./customImages.js";
+export * from "./formulas.js";
+export * from "./galleryImages.js";
+export * from "./notificationChannels.js";
+export * from "./policySets.js";
+export * from "./policies.js";
+export * from "./schedules.js";
+export * from "./serviceRunners.js";
+export * from "./users.js";
+export * from "./disks.js";
+export * from "./environments.js";
+export * from "./secrets.js";
+export * from "./serviceFabrics.js";
+export * from "./serviceFabricSchedules.js";
+export * from "./virtualMachines.js";
+export * from "./virtualMachineSchedules.js";
+export * from "./virtualNetworks.js";
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/labs.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/labs.ts
index c7bf568c1e2b..e2ddf645c283 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/labs.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/labs.ts
@@ -7,14 +7,14 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { Labs } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { Labs } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import { PollerLike, PollOperationState, LroEngine } from "@azure/core-lro";
-import { LroImpl } from "../lroImpl";
+import { LroImpl } from "../lroImpl.js";
 import {
   Lab,
   LabsListBySubscriptionNextOptionalParams,
@@ -48,7 +48,7 @@ import {
   LabsListBySubscriptionNextResponse,
   LabsListByResourceGroupNextResponse,
   LabsListVhdsNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing Labs operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/notificationChannels.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/notificationChannels.ts
index 4d2cc1c44496..63464ef63013 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/notificationChannels.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/notificationChannels.ts
@@ -7,12 +7,12 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { NotificationChannels } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { NotificationChannels } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import {
   NotificationChannel,
   NotificationChannelsListNextOptionalParams,
@@ -29,7 +29,7 @@ import {
   NotifyParameters,
   NotificationChannelsNotifyOptionalParams,
   NotificationChannelsListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing NotificationChannels operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/operations.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/operations.ts
index 73d824f75daa..4ce931a06541 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/operations.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/operations.ts
@@ -6,12 +6,12 @@
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
  */
 
-import { Operations } from "../operationsInterfaces";
+import { Operations } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
-import { OperationsGetOptionalParams, OperationsGetResponse } from "../models";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
+import { OperationsGetOptionalParams, OperationsGetResponse } from "../models/index.js";
 
 /** Class containing Operations operations. */
 export class OperationsImpl implements Operations {
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/policies.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/policies.ts
index 0a859d1871b3..1b2e8ef93204 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/policies.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/policies.ts
@@ -7,12 +7,12 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { Policies } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { Policies } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import {
   Policy,
   PoliciesListNextOptionalParams,
@@ -27,7 +27,7 @@ import {
   PoliciesUpdateOptionalParams,
   PoliciesUpdateResponse,
   PoliciesListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing Policies operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/policySets.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/policySets.ts
index 55fd9408a8cc..e1b0e5a914a8 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/policySets.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/policySets.ts
@@ -6,16 +6,16 @@
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
  */
 
-import { PolicySets } from "../operationsInterfaces";
+import { PolicySets } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import {
   EvaluatePoliciesRequest,
   PolicySetsEvaluatePoliciesOptionalParams,
   PolicySetsEvaluatePoliciesResponse
-} from "../models";
+} from "../models/index.js";
 
 /** Class containing PolicySets operations. */
 export class PolicySetsImpl implements PolicySets {
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/providerOperations.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/providerOperations.ts
index 1d4fd4a144d6..d510a3a18f14 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/providerOperations.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/providerOperations.ts
@@ -7,19 +7,19 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { ProviderOperations } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { ProviderOperations } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import {
   OperationMetadata,
   ProviderOperationsListNextOptionalParams,
   ProviderOperationsListOptionalParams,
   ProviderOperationsListResponse,
   ProviderOperationsListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing ProviderOperations operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/schedules.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/schedules.ts
index e11b793823ac..56064768ab66 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/schedules.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/schedules.ts
@@ -7,14 +7,14 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { Schedules } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { Schedules } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import { PollerLike, PollOperationState, LroEngine } from "@azure/core-lro";
-import { LroImpl } from "../lroImpl";
+import { LroImpl } from "../lroImpl.js";
 import {
   Schedule,
   SchedulesListNextOptionalParams,
@@ -34,7 +34,7 @@ import {
   SchedulesExecuteOptionalParams,
   SchedulesListNextResponse,
   SchedulesListApplicableNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing Schedules operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/secrets.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/secrets.ts
index a3ce27c4f26f..8a0aef7d356c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/secrets.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/secrets.ts
@@ -7,14 +7,14 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { Secrets } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { Secrets } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import { PollerLike, PollOperationState, LroEngine } from "@azure/core-lro";
-import { LroImpl } from "../lroImpl";
+import { LroImpl } from "../lroImpl.js";
 import {
   Secret,
   SecretsListNextOptionalParams,
@@ -29,7 +29,7 @@ import {
   SecretsUpdateOptionalParams,
   SecretsUpdateResponse,
   SecretsListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing Secrets operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/serviceFabricSchedules.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/serviceFabricSchedules.ts
index 758111a0916a..2b5d3511e4ae 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/serviceFabricSchedules.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/serviceFabricSchedules.ts
@@ -7,14 +7,14 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { ServiceFabricSchedules } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { ServiceFabricSchedules } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import { PollerLike, PollOperationState, LroEngine } from "@azure/core-lro";
-import { LroImpl } from "../lroImpl";
+import { LroImpl } from "../lroImpl.js";
 import {
   Schedule,
   ServiceFabricSchedulesListNextOptionalParams,
@@ -30,7 +30,7 @@ import {
   ServiceFabricSchedulesUpdateResponse,
   ServiceFabricSchedulesExecuteOptionalParams,
   ServiceFabricSchedulesListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing ServiceFabricSchedules operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/serviceFabrics.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/serviceFabrics.ts
index 8487b86d5234..3e541f9ac816 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/serviceFabrics.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/serviceFabrics.ts
@@ -7,14 +7,14 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { ServiceFabrics } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { ServiceFabrics } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import { PollerLike, PollOperationState, LroEngine } from "@azure/core-lro";
-import { LroImpl } from "../lroImpl";
+import { LroImpl } from "../lroImpl.js";
 import {
   ServiceFabric,
   ServiceFabricsListNextOptionalParams,
@@ -33,7 +33,7 @@ import {
   ServiceFabricsStartOptionalParams,
   ServiceFabricsStopOptionalParams,
   ServiceFabricsListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing ServiceFabrics operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/serviceRunners.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/serviceRunners.ts
index d1b1874b8446..c5f0faf161a1 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/serviceRunners.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/serviceRunners.ts
@@ -6,11 +6,11 @@
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
  */
 
-import { ServiceRunners } from "../operationsInterfaces";
+import { ServiceRunners } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import {
   ServiceRunnersGetOptionalParams,
   ServiceRunnersGetResponse,
@@ -18,7 +18,7 @@ import {
   ServiceRunnersCreateOrUpdateOptionalParams,
   ServiceRunnersCreateOrUpdateResponse,
   ServiceRunnersDeleteOptionalParams
-} from "../models";
+} from "../models/index.js";
 
 /** Class containing ServiceRunners operations. */
 export class ServiceRunnersImpl implements ServiceRunners {
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/users.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/users.ts
index 6392d314551b..aae9fe2ca58e 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/users.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/users.ts
@@ -7,14 +7,14 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { Users } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { Users } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import { PollerLike, PollOperationState, LroEngine } from "@azure/core-lro";
-import { LroImpl } from "../lroImpl";
+import { LroImpl } from "../lroImpl.js";
 import {
   User,
   UsersListNextOptionalParams,
@@ -29,7 +29,7 @@ import {
   UsersUpdateOptionalParams,
   UsersUpdateResponse,
   UsersListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing Users operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/virtualMachineSchedules.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/virtualMachineSchedules.ts
index dcf0d90415db..26727cea8aea 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/virtualMachineSchedules.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/virtualMachineSchedules.ts
@@ -7,14 +7,14 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { VirtualMachineSchedules } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { VirtualMachineSchedules } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import { PollerLike, PollOperationState, LroEngine } from "@azure/core-lro";
-import { LroImpl } from "../lroImpl";
+import { LroImpl } from "../lroImpl.js";
 import {
   Schedule,
   VirtualMachineSchedulesListNextOptionalParams,
@@ -30,7 +30,7 @@ import {
   VirtualMachineSchedulesUpdateResponse,
   VirtualMachineSchedulesExecuteOptionalParams,
   VirtualMachineSchedulesListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing VirtualMachineSchedules operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/virtualMachines.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/virtualMachines.ts
index 3c5f067abdcd..6c559d6e6a43 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/virtualMachines.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/virtualMachines.ts
@@ -7,14 +7,14 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { VirtualMachines } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { VirtualMachines } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import { PollerLike, PollOperationState, LroEngine } from "@azure/core-lro";
-import { LroImpl } from "../lroImpl";
+import { LroImpl } from "../lroImpl.js";
 import {
   LabVirtualMachine,
   VirtualMachinesListNextOptionalParams,
@@ -48,7 +48,7 @@ import {
   VirtualMachinesTransferDisksOptionalParams,
   VirtualMachinesUnClaimOptionalParams,
   VirtualMachinesListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing VirtualMachines operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operations/virtualNetworks.ts b/sdk/devtestlabs/arm-devtestlabs/src/operations/virtualNetworks.ts
index 9c8fe42e09b1..07acbe294bce 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operations/virtualNetworks.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operations/virtualNetworks.ts
@@ -7,14 +7,14 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { VirtualNetworks } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { VirtualNetworks } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { DevTestLabsClient } from "../devTestLabsClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { DevTestLabsClient } from "../devTestLabsClient.js";
 import { PollerLike, PollOperationState, LroEngine } from "@azure/core-lro";
-import { LroImpl } from "../lroImpl";
+import { LroImpl } from "../lroImpl.js";
 import {
   VirtualNetwork,
   VirtualNetworksListNextOptionalParams,
@@ -29,7 +29,7 @@ import {
   VirtualNetworksUpdateOptionalParams,
   VirtualNetworksUpdateResponse,
   VirtualNetworksListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing VirtualNetworks operations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/armTemplates.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/armTemplates.ts
index 92ecdc733d1d..6e0d49cd131d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/armTemplates.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/armTemplates.ts
@@ -12,7 +12,7 @@ import {
   ArmTemplatesListOptionalParams,
   ArmTemplatesGetOptionalParams,
   ArmTemplatesGetResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a ArmTemplates. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/artifactSources.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/artifactSources.ts
index f5f5b6d61a9d..054394046281 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/artifactSources.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/artifactSources.ts
@@ -18,7 +18,7 @@ import {
   ArtifactSourceFragment,
   ArtifactSourcesUpdateOptionalParams,
   ArtifactSourcesUpdateResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a ArtifactSources. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/artifacts.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/artifacts.ts
index 74f6d40a985c..4b8881fdbfcf 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/artifacts.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/artifacts.ts
@@ -15,7 +15,7 @@ import {
   GenerateArmTemplateRequest,
   ArtifactsGenerateArmTemplateOptionalParams,
   ArtifactsGenerateArmTemplateResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a Artifacts. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/costs.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/costs.ts
index dab7bda435a6..4ab82d738dfd 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/costs.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/costs.ts
@@ -12,7 +12,7 @@ import {
   LabCost,
   CostsCreateOrUpdateOptionalParams,
   CostsCreateOrUpdateResponse
-} from "../models";
+} from "../models/index.js";
 
 /** Interface representing a Costs. */
 export interface Costs {
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/customImages.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/customImages.ts
index 7dce830603d6..190c7f61d30e 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/customImages.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/customImages.ts
@@ -19,7 +19,7 @@ import {
   CustomImageFragment,
   CustomImagesUpdateOptionalParams,
   CustomImagesUpdateResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a CustomImages. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/disks.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/disks.ts
index 89a515ab236b..fec017fe891c 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/disks.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/disks.ts
@@ -23,7 +23,7 @@ import {
   DisksAttachOptionalParams,
   DetachDiskProperties,
   DisksDetachOptionalParams
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a Disks. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/environments.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/environments.ts
index 06ca898114b6..8d3481a5e265 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/environments.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/environments.ts
@@ -19,7 +19,7 @@ import {
   DtlEnvironmentFragment,
   EnvironmentsUpdateOptionalParams,
   EnvironmentsUpdateResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a Environments. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/formulas.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/formulas.ts
index d81b022f8a56..d9441f87f62f 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/formulas.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/formulas.ts
@@ -19,7 +19,7 @@ import {
   FormulaFragment,
   FormulasUpdateOptionalParams,
   FormulasUpdateResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a Formulas. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/galleryImages.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/galleryImages.ts
index 3142c6295d23..fe76035519a5 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/galleryImages.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/galleryImages.ts
@@ -7,7 +7,7 @@
  */
 
 import { PagedAsyncIterableIterator } from "@azure/core-paging";
-import { GalleryImage, GalleryImagesListOptionalParams } from "../models";
+import { GalleryImage, GalleryImagesListOptionalParams } from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a GalleryImages. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/globalSchedules.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/globalSchedules.ts
index 881cbeabb76c..55d489efeeff 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/globalSchedules.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/globalSchedules.ts
@@ -23,7 +23,7 @@ import {
   GlobalSchedulesExecuteOptionalParams,
   RetargetScheduleProperties,
   GlobalSchedulesRetargetOptionalParams
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a GlobalSchedules. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/index.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/index.ts
index ed76356e15ec..e260043cc653 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/index.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/index.ts
@@ -6,28 +6,28 @@
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
  */
 
-export * from "./providerOperations";
-export * from "./labs";
-export * from "./operations";
-export * from "./globalSchedules";
-export * from "./artifactSources";
-export * from "./armTemplates";
-export * from "./artifacts";
-export * from "./costs";
-export * from "./customImages";
-export * from "./formulas";
-export * from "./galleryImages";
-export * from "./notificationChannels";
-export * from "./policySets";
-export * from "./policies";
-export * from "./schedules";
-export * from "./serviceRunners";
-export * from "./users";
-export * from "./disks";
-export * from "./environments";
-export * from "./secrets";
-export * from "./serviceFabrics";
-export * from "./serviceFabricSchedules";
-export * from "./virtualMachines";
-export * from "./virtualMachineSchedules";
-export * from "./virtualNetworks";
+export * from "./providerOperations.js";
+export * from "./labs.js";
+export * from "./operations.js";
+export * from "./globalSchedules.js";
+export * from "./artifactSources.js";
+export * from "./armTemplates.js";
+export * from "./artifacts.js";
+export * from "./costs.js";
+export * from "./customImages.js";
+export * from "./formulas.js";
+export * from "./galleryImages.js";
+export * from "./notificationChannels.js";
+export * from "./policySets.js";
+export * from "./policies.js";
+export * from "./schedules.js";
+export * from "./serviceRunners.js";
+export * from "./users.js";
+export * from "./disks.js";
+export * from "./environments.js";
+export * from "./secrets.js";
+export * from "./serviceFabrics.js";
+export * from "./serviceFabricSchedules.js";
+export * from "./virtualMachines.js";
+export * from "./virtualMachineSchedules.js";
+export * from "./virtualNetworks.js";
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/labs.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/labs.ts
index c70b88a30aea..ee41e5cb7943 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/labs.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/labs.ts
@@ -32,7 +32,7 @@ import {
   LabsGenerateUploadUriResponse,
   ImportLabVirtualMachineRequest,
   LabsImportVirtualMachineOptionalParams
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a Labs. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/notificationChannels.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/notificationChannels.ts
index d2773a4b643b..fd940d67743b 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/notificationChannels.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/notificationChannels.ts
@@ -20,7 +20,7 @@ import {
   NotificationChannelsUpdateResponse,
   NotifyParameters,
   NotificationChannelsNotifyOptionalParams
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a NotificationChannels. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/operations.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/operations.ts
index 73260fa8ecec..edfd07eca7b2 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/operations.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/operations.ts
@@ -6,7 +6,7 @@
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
  */
 
-import { OperationsGetOptionalParams, OperationsGetResponse } from "../models";
+import { OperationsGetOptionalParams, OperationsGetResponse } from "../models/index.js";
 
 /** Interface representing a Operations. */
 export interface Operations {
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/policies.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/policies.ts
index b2a8f951cc8d..83468b94cf57 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/policies.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/policies.ts
@@ -18,7 +18,7 @@ import {
   PolicyFragment,
   PoliciesUpdateOptionalParams,
   PoliciesUpdateResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a Policies. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/policySets.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/policySets.ts
index 462c1c6b83dd..31bdf283848b 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/policySets.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/policySets.ts
@@ -10,7 +10,7 @@ import {
   EvaluatePoliciesRequest,
   PolicySetsEvaluatePoliciesOptionalParams,
   PolicySetsEvaluatePoliciesResponse
-} from "../models";
+} from "../models/index.js";
 
 /** Interface representing a PolicySets. */
 export interface PolicySets {
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/providerOperations.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/providerOperations.ts
index 4bb22430293c..41ff0c2e05f3 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/providerOperations.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/providerOperations.ts
@@ -10,7 +10,7 @@ import { PagedAsyncIterableIterator } from "@azure/core-paging";
 import {
   OperationMetadata,
   ProviderOperationsListOptionalParams
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a ProviderOperations. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/schedules.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/schedules.ts
index d014aaa2d61f..343b441674ef 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/schedules.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/schedules.ts
@@ -21,7 +21,7 @@ import {
   SchedulesUpdateOptionalParams,
   SchedulesUpdateResponse,
   SchedulesExecuteOptionalParams
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a Schedules. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/secrets.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/secrets.ts
index d5a77e7a531e..78d9239041fb 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/secrets.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/secrets.ts
@@ -19,7 +19,7 @@ import {
   SecretFragment,
   SecretsUpdateOptionalParams,
   SecretsUpdateResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a Secrets. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/serviceFabricSchedules.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/serviceFabricSchedules.ts
index 0401264b3760..85d19699b41d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/serviceFabricSchedules.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/serviceFabricSchedules.ts
@@ -20,7 +20,7 @@ import {
   ServiceFabricSchedulesUpdateOptionalParams,
   ServiceFabricSchedulesUpdateResponse,
   ServiceFabricSchedulesExecuteOptionalParams
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a ServiceFabricSchedules. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/serviceFabrics.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/serviceFabrics.ts
index 1ee6ffdc9c1e..608c49498a02 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/serviceFabrics.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/serviceFabrics.ts
@@ -23,7 +23,7 @@ import {
   ServiceFabricsListApplicableSchedulesResponse,
   ServiceFabricsStartOptionalParams,
   ServiceFabricsStopOptionalParams
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a ServiceFabrics. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/serviceRunners.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/serviceRunners.ts
index dd50fac2b9e7..02d355e735d5 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/serviceRunners.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/serviceRunners.ts
@@ -13,7 +13,7 @@ import {
   ServiceRunnersCreateOrUpdateOptionalParams,
   ServiceRunnersCreateOrUpdateResponse,
   ServiceRunnersDeleteOptionalParams
-} from "../models";
+} from "../models/index.js";
 
 /** Interface representing a ServiceRunners. */
 export interface ServiceRunners {
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/users.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/users.ts
index eb56b674d528..65998961a3df 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/users.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/users.ts
@@ -19,7 +19,7 @@ import {
   UserFragment,
   UsersUpdateOptionalParams,
   UsersUpdateResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a Users. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/virtualMachineSchedules.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/virtualMachineSchedules.ts
index 60a11b9ede54..6914798e7d44 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/virtualMachineSchedules.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/virtualMachineSchedules.ts
@@ -20,7 +20,7 @@ import {
   VirtualMachineSchedulesUpdateOptionalParams,
   VirtualMachineSchedulesUpdateResponse,
   VirtualMachineSchedulesExecuteOptionalParams
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a VirtualMachineSchedules. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/virtualMachines.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/virtualMachines.ts
index 9acd7897af4b..6a7fd52ec6e7 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/virtualMachines.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/virtualMachines.ts
@@ -38,7 +38,7 @@ import {
   VirtualMachinesStopOptionalParams,
   VirtualMachinesTransferDisksOptionalParams,
   VirtualMachinesUnClaimOptionalParams
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a VirtualMachines. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/virtualNetworks.ts b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/virtualNetworks.ts
index ef1e193405bc..b51a4d739589 100644
--- a/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/virtualNetworks.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/src/operationsInterfaces/virtualNetworks.ts
@@ -19,7 +19,7 @@ import {
   VirtualNetworkFragment,
   VirtualNetworksUpdateOptionalParams,
   VirtualNetworksUpdateResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a VirtualNetworks. */
diff --git a/sdk/devtestlabs/arm-devtestlabs/test/devtestlabs_examples.ts b/sdk/devtestlabs/arm-devtestlabs/test/devtestlabs_examples.spec.ts
similarity index 88%
rename from sdk/devtestlabs/arm-devtestlabs/test/devtestlabs_examples.ts
rename to sdk/devtestlabs/arm-devtestlabs/test/devtestlabs_examples.spec.ts
index 139ecb5fdae2..7b4f9785fc7d 100644
--- a/sdk/devtestlabs/arm-devtestlabs/test/devtestlabs_examples.ts
+++ b/sdk/devtestlabs/arm-devtestlabs/test/devtestlabs_examples.spec.ts
@@ -10,13 +10,11 @@ import {
   env,
   Recorder,
   RecorderStartOptions,
-  delay,
   isPlaybackMode,
 } from "@azure-tools/test-recorder";
 import { createTestCredential } from "@azure-tools/test-credential";
-import { assert } from "chai";
-import { Context } from "mocha";
-import { DevTestLabsClient } from "../src/devTestLabsClient";
+import { DevTestLabsClient } from "../src/devTestLabsClient.js";
+import { describe, it, assert, beforeEach, afterEach } from "vitest";
 
 const replaceableVariables: Record<string, string> = {
   AZURE_CLIENT_ID: "azure_client_id",
@@ -46,8 +44,8 @@ describe("DevTestLabs test", () => {
   let name: string;
 
 
-  beforeEach(async function (this: Context) {
-    recorder = new Recorder(this.currentTest);
+  beforeEach(async (ctx) => {
+    recorder = new Recorder(ctx);
     await recorder.start(recorderOptions);
     subscriptionId = env.SUBSCRIPTION_ID || '';
     // This is an example of how the environment variables are used
@@ -58,7 +56,7 @@ describe("DevTestLabs test", () => {
     name = "mylabsxxx";
   });
 
-  afterEach(async function () {
+  afterEach(async () => {
     await recorder.stop();
   });
 
@@ -90,8 +88,8 @@ describe("DevTestLabs test", () => {
   });
 
   it("labs delete test", async function () {
-    const res = await client.labs.beginDeleteAndWait(resourceGroup, name, testPollingOptions);
     const resArray = new Array();
+    await client.labs.beginDeleteAndWait(resourceGroup, name);
     for await (let item of client.labs.listByResourceGroup(resourceGroup)) {
       resArray.push(item);
     }
diff --git a/sdk/devtestlabs/arm-devtestlabs/tsconfig.browser.config.json b/sdk/devtestlabs/arm-devtestlabs/tsconfig.browser.config.json
new file mode 100644
index 000000000000..0c8bafa97126
--- /dev/null
+++ b/sdk/devtestlabs/arm-devtestlabs/tsconfig.browser.config.json
@@ -0,0 +1,6 @@
+{
+  "extends": [
+    "./tsconfig.test.json",
+    "../../../tsconfig.browser.base.json"
+  ]
+}
diff --git a/sdk/devtestlabs/arm-devtestlabs/tsconfig.json b/sdk/devtestlabs/arm-devtestlabs/tsconfig.json
index dfb857b4542c..19ceb382b521 100644
--- a/sdk/devtestlabs/arm-devtestlabs/tsconfig.json
+++ b/sdk/devtestlabs/arm-devtestlabs/tsconfig.json
@@ -1,33 +1,13 @@
 {
-  "compilerOptions": {
-    "module": "es6",
-    "moduleResolution": "node",
-    "strict": true,
-    "target": "es6",
-    "sourceMap": true,
-    "declarationMap": true,
-    "esModuleInterop": true,
-    "allowSyntheticDefaultImports": true,
-    "forceConsistentCasingInFileNames": true,
-    "lib": [
-      "es6",
-      "dom"
-    ],
-    "declaration": true,
-    "outDir": "./dist-esm",
-    "importHelpers": true,
-    "paths": {
-      "@azure/arm-devtestlabs": [
-        "./src/index"
-      ]
+  "references": [
+    {
+      "path": "./tsconfig.src.json"
+    },
+    {
+      "path": "./tsconfig.samples.json"
+    },
+    {
+      "path": "./tsconfig.test.json"
     }
-  },
-  "include": [
-    "./src/**/*.ts",
-    "./test/**/*.ts",
-    "samples-dev/**/*.ts"
-  ],
-  "exclude": [
-    "node_modules"
   ]
-}
\ No newline at end of file
+}
diff --git a/sdk/devtestlabs/arm-devtestlabs/tsconfig.samples.json b/sdk/devtestlabs/arm-devtestlabs/tsconfig.samples.json
new file mode 100644
index 000000000000..5195bd0060a3
--- /dev/null
+++ b/sdk/devtestlabs/arm-devtestlabs/tsconfig.samples.json
@@ -0,0 +1,10 @@
+{
+  "extends": "../../../tsconfig.samples.base.json",
+  "compilerOptions": {
+    "paths": {
+      "@azure/arm-devtestlabs": [
+        "./dist/esm"
+      ]
+    }
+  }
+}
diff --git a/sdk/devtestlabs/arm-devtestlabs/tsconfig.src.json b/sdk/devtestlabs/arm-devtestlabs/tsconfig.src.json
new file mode 100644
index 000000000000..bae70752dd38
--- /dev/null
+++ b/sdk/devtestlabs/arm-devtestlabs/tsconfig.src.json
@@ -0,0 +1,3 @@
+{
+  "extends": "../../../tsconfig.lib.json"
+}
diff --git a/sdk/devtestlabs/arm-devtestlabs/tsconfig.test.json b/sdk/devtestlabs/arm-devtestlabs/tsconfig.test.json
new file mode 100644
index 000000000000..3c2b783a8c1b
--- /dev/null
+++ b/sdk/devtestlabs/arm-devtestlabs/tsconfig.test.json
@@ -0,0 +1,6 @@
+{
+  "extends": [
+    "./tsconfig.src.json",
+    "../../../tsconfig.test.base.json"
+  ]
+}
diff --git a/sdk/devtestlabs/arm-devtestlabs/vitest.browser.config.ts b/sdk/devtestlabs/arm-devtestlabs/vitest.browser.config.ts
new file mode 100644
index 000000000000..182729ab5ce9
--- /dev/null
+++ b/sdk/devtestlabs/arm-devtestlabs/vitest.browser.config.ts
@@ -0,0 +1,17 @@
+
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+import { defineConfig, mergeConfig } from "vitest/config";
+import viteConfig from "../../../vitest.browser.shared.config.ts";
+
+export default mergeConfig(
+  viteConfig,
+  defineConfig({
+    test: {
+      include: ["dist-test/browser/test/**/*.spec.js",],
+      testTimeout: 1200000,
+      hookTimeout: 1200000,
+    },
+  }),
+);
diff --git a/sdk/devtestlabs/arm-devtestlabs/vitest.config.ts b/sdk/devtestlabs/arm-devtestlabs/vitest.config.ts
new file mode 100644
index 000000000000..40e031385dd8
--- /dev/null
+++ b/sdk/devtestlabs/arm-devtestlabs/vitest.config.ts
@@ -0,0 +1,16 @@
+
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+import { defineConfig, mergeConfig } from "vitest/config";
+import viteConfig from "../../../vitest.shared.config.ts";
+
+export default mergeConfig(
+  viteConfig,
+  defineConfig({
+    test: {
+      testTimeout: 1200000,
+      hookTimeout: 1200000,
+    },
+  }),
+);
diff --git a/sdk/devtestlabs/arm-devtestlabs/vitest.esm.config.ts b/sdk/devtestlabs/arm-devtestlabs/vitest.esm.config.ts
new file mode 100644
index 000000000000..a70127279fc9
--- /dev/null
+++ b/sdk/devtestlabs/arm-devtestlabs/vitest.esm.config.ts
@@ -0,0 +1,12 @@
+
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+import { mergeConfig } from "vitest/config";
+import vitestConfig from "./vitest.config.ts";
+import vitestEsmConfig from "../../../vitest.esm.shared.config.ts";
+
+export default mergeConfig(
+  vitestConfig,
+  vitestEsmConfig
+);
diff --git a/sdk/digitaltwins/arm-digitaltwins/api-extractor.json b/sdk/digitaltwins/arm-digitaltwins/api-extractor.json
index 02dd3e1aedb3..70005877f704 100644
--- a/sdk/digitaltwins/arm-digitaltwins/api-extractor.json
+++ b/sdk/digitaltwins/arm-digitaltwins/api-extractor.json
@@ -1,6 +1,6 @@
 {
   "$schema": "https://developer.microsoft.com/json-schemas/api-extractor/v7/api-extractor.schema.json",
-  "mainEntryPointFilePath": "./dist-esm/src/index.d.ts",
+  "mainEntryPointFilePath": "dist/esm/index.d.ts",
   "docModel": {
     "enabled": true
   },
@@ -11,7 +11,7 @@
   "dtsRollup": {
     "enabled": true,
     "untrimmedFilePath": "",
-    "publicTrimmedFilePath": "./types/arm-digitaltwins.d.ts"
+    "publicTrimmedFilePath": "dist/arm-digitaltwins.d.ts"
   },
   "messages": {
     "tsdocMessageReporting": {
@@ -28,4 +28,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/sdk/digitaltwins/arm-digitaltwins/package.json b/sdk/digitaltwins/arm-digitaltwins/package.json
index 43a9d363830d..d766e64cdd94 100644
--- a/sdk/digitaltwins/arm-digitaltwins/package.json
+++ b/sdk/digitaltwins/arm-digitaltwins/package.json
@@ -24,22 +24,22 @@
     "isomorphic"
   ],
   "license": "MIT",
-  "main": "./dist/index.js",
-  "module": "./dist-esm/src/index.js",
-  "types": "./types/arm-digitaltwins.d.ts",
+  "main": "./dist/commonjs/index.js",
+  "module": "./dist/esm/index.js",
+  "types": "./dist/commonjs/index.d.ts",
   "devDependencies": {
-    "@azure-tools/test-credential": "^1.0.0",
-    "@azure-tools/test-recorder": "^3.0.0",
+    "@azure-tools/test-credential": "^2.0.0",
+    "@azure-tools/test-recorder": "^4.1.0",
+    "@azure-tools/test-utils-vitest": "^1.0.0",
     "@azure/dev-tool": "^1.0.0",
     "@azure/identity": "^4.0.1",
-    "@types/chai": "^4.2.8",
-    "@types/mocha": "^10.0.0",
     "@types/node": "^18.0.0",
-    "chai": "^4.2.0",
+    "@vitest/browser": "^2.1.8",
+    "@vitest/coverage-istanbul": "^2.1.8",
     "dotenv": "^16.0.0",
-    "mocha": "^11.0.2",
-    "ts-node": "^10.0.0",
-    "typescript": "~5.7.2"
+    "playwright": "^1.49.1",
+    "typescript": "~5.7.2",
+    "vitest": "^2.1.8"
   },
   "repository": {
     "type": "git",
@@ -49,24 +49,14 @@
     "url": "https://github.com/Azure/azure-sdk-for-js/issues"
   },
   "files": [
-    "dist/**/*.js",
-    "dist/**/*.js.map",
-    "dist/**/*.d.ts",
-    "dist/**/*.d.ts.map",
-    "dist-esm/**/*.js",
-    "dist-esm/**/*.js.map",
-    "dist-esm/**/*.d.ts",
-    "dist-esm/**/*.d.ts.map",
-    "src/**/*.ts",
+    "dist/",
     "README.md",
     "LICENSE",
-    "tsconfig.json",
-    "review/*",
-    "CHANGELOG.md",
-    "types/*"
+    "review/",
+    "CHANGELOG.md"
   ],
   "scripts": {
-    "build": "npm run clean && tsc && dev-tool run bundle && npm run minify && dev-tool run vendored mkdirp ./review && npm run extract-api",
+    "build": "npm run clean && dev-tool run build-package && dev-tool run vendored mkdirp ./review && dev-tool run extract-api",
     "build:browser": "echo skipped",
     "build:node": "echo skipped",
     "build:samples": "echo skipped.",
@@ -78,7 +68,7 @@
     "format": "echo skipped",
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
-    "integration-test:node": "dev-tool run test:node-ts-input -- --timeout 1200000 'test/*.ts'",
+    "integration-test:node": "dev-tool run test:vitest --esm",
     "lint": "echo skipped",
     "minify": "dev-tool run vendored uglifyjs -c -m --comments --source-map \"content='./dist/index.js.map'\" -o ./dist/index.min.js ./dist/index.js",
     "pack": "npm pack 2>&1",
@@ -88,7 +78,7 @@
     "test:node": "echo skipped",
     "unit-test": "npm run unit-test:node && npm run unit-test:browser",
     "unit-test:browser": "echo skipped",
-    "unit-test:node": "dev-tool run vendored cross-env TEST_MODE=playback npm run integration-test:node",
+    "unit-test:node": "dev-tool run test:vitest",
     "update-snippets": "echo skipped"
   },
   "sideEffects": false,
@@ -109,5 +99,45 @@
     ],
     "disableDocsMs": true,
     "apiRefLink": "https://learn.microsoft.com/javascript/api/@azure/arm-digitaltwins?view=azure-node-preview"
+  },
+  "type": "module",
+  "tshy": {
+    "project": "./tsconfig.src.json",
+    "exports": {
+      "./package.json": "./package.json",
+      ".": "./src/index.ts"
+    },
+    "dialects": [
+      "esm",
+      "commonjs"
+    ],
+    "esmDialects": [
+      "browser",
+      "react-native"
+    ],
+    "selfLink": false
+  },
+  "browser": "./dist/browser/index.js",
+  "react-native": "./dist/react-native/index.js",
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "browser": {
+        "types": "./dist/browser/index.d.ts",
+        "default": "./dist/browser/index.js"
+      },
+      "react-native": {
+        "types": "./dist/react-native/index.d.ts",
+        "default": "./dist/react-native/index.js"
+      },
+      "import": {
+        "types": "./dist/esm/index.d.ts",
+        "default": "./dist/esm/index.js"
+      },
+      "require": {
+        "types": "./dist/commonjs/index.d.ts",
+        "default": "./dist/commonjs/index.js"
+      }
+    }
   }
 }
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsCheckNameAvailabilitySample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsCheckNameAvailabilitySample.ts
index 2ebdbd253757..6eed936fddf5 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsCheckNameAvailabilitySample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsCheckNameAvailabilitySample.ts
@@ -13,9 +13,7 @@ import {
   AzureDigitalTwinsManagementClient
 } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Check if a DigitalTwinsInstance name is available.
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary Check if a DigitalTwinsInstance name is available.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsCheckNameAvailability_example.json
  */
-async function checkNameAvailability() {
+async function checkNameAvailability(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -44,7 +42,7 @@ async function checkNameAvailability() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   checkNameAvailability();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsCreateOrUpdateSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsCreateOrUpdateSample.ts
index 7900c41905a0..b387adc2339d 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsCreateOrUpdateSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsCreateOrUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   AzureDigitalTwinsManagementClient
 } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Create or update the metadata of a DigitalTwinsInstance. The usual pattern to modify a property is to retrieve the DigitalTwinsInstance and security metadata, and then combine them with the modified values in a new body to update the DigitalTwinsInstance.
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary Create or update the metadata of a DigitalTwinsInstance. The usual pattern to modify a property is to retrieve the DigitalTwinsInstance and security metadata, and then combine them with the modified values in a new body to update the DigitalTwinsInstance.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsPut_example.json
  */
-async function putADigitalTwinsInstanceResource() {
+async function putADigitalTwinsInstanceResource(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -50,7 +48,7 @@ async function putADigitalTwinsInstanceResource() {
  * @summary Create or update the metadata of a DigitalTwinsInstance. The usual pattern to modify a property is to retrieve the DigitalTwinsInstance and security metadata, and then combine them with the modified values in a new body to update the DigitalTwinsInstance.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsPut_WithIdentity_example.json
  */
-async function putADigitalTwinsInstanceResourceWithIdentity() {
+async function putADigitalTwinsInstanceResourceWithIdentity(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -85,7 +83,7 @@ async function putADigitalTwinsInstanceResourceWithIdentity() {
  * @summary Create or update the metadata of a DigitalTwinsInstance. The usual pattern to modify a property is to retrieve the DigitalTwinsInstance and security metadata, and then combine them with the modified values in a new body to update the DigitalTwinsInstance.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsPut_WithPublicNetworkAccess.json
  */
-async function putADigitalTwinsInstanceResourceWithPublicNetworkAccessProperty() {
+async function putADigitalTwinsInstanceResourceWithPublicNetworkAccessProperty(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -109,7 +107,7 @@ async function putADigitalTwinsInstanceResourceWithPublicNetworkAccessProperty()
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   putADigitalTwinsInstanceResource();
   putADigitalTwinsInstanceResourceWithIdentity();
   putADigitalTwinsInstanceResourceWithPublicNetworkAccessProperty();
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsDeleteSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsDeleteSample.ts
index 500cb1aab0d6..a239d4e98c2f 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsDeleteSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Delete a DigitalTwinsInstance.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Delete a DigitalTwinsInstance.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsDelete_example.json
  */
-async function deleteADigitalTwinsInstanceResource() {
+async function deleteADigitalTwinsInstanceResource(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -45,7 +43,7 @@ async function deleteADigitalTwinsInstanceResource() {
  * @summary Delete a DigitalTwinsInstance.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsDelete_WithIdentity_example.json
  */
-async function deleteADigitalTwinsInstanceResourceWithIdentity() {
+async function deleteADigitalTwinsInstanceResourceWithIdentity(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -64,7 +62,7 @@ async function deleteADigitalTwinsInstanceResourceWithIdentity() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   deleteADigitalTwinsInstanceResource();
   deleteADigitalTwinsInstanceResourceWithIdentity();
 }
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsEndpointCreateOrUpdateSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsEndpointCreateOrUpdateSample.ts
index 6f017a8e946b..22dafded9447 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsEndpointCreateOrUpdateSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsEndpointCreateOrUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   AzureDigitalTwinsManagementClient
 } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Create or update DigitalTwinsInstance endpoint.
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary Create or update DigitalTwinsInstance endpoint.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsEndpointPut_example.json
  */
-async function putADigitalTwinsEndpointResource() {
+async function putADigitalTwinsEndpointResource(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -61,7 +59,7 @@ async function putADigitalTwinsEndpointResource() {
  * @summary Create or update DigitalTwinsInstance endpoint.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsEndpointPut_WithIdentity_example.json
  */
-async function putADigitalTwinsEndpointResourceWithIdentity() {
+async function putADigitalTwinsEndpointResourceWithIdentity(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -97,7 +95,7 @@ async function putADigitalTwinsEndpointResourceWithIdentity() {
  * @summary Create or update DigitalTwinsInstance endpoint.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsEndpointPut_WithUserIdentity_example.json
  */
-async function putADigitalTwinsEndpointResourceWithUserAssignedIdentity() {
+async function putADigitalTwinsEndpointResourceWithUserAssignedIdentity(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -132,7 +130,7 @@ async function putADigitalTwinsEndpointResourceWithUserAssignedIdentity() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   putADigitalTwinsEndpointResource();
   putADigitalTwinsEndpointResourceWithIdentity();
   putADigitalTwinsEndpointResourceWithUserAssignedIdentity();
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsEndpointDeleteSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsEndpointDeleteSample.ts
index ce2bd9575447..2552e4b83e59 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsEndpointDeleteSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsEndpointDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Delete a DigitalTwinsInstance endpoint.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Delete a DigitalTwinsInstance endpoint.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsEndpointDelete_example.json
  */
-async function deleteADigitalTwinsInstanceEndpoint() {
+async function deleteADigitalTwinsInstanceEndpoint(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -47,7 +45,7 @@ async function deleteADigitalTwinsInstanceEndpoint() {
  * @summary Delete a DigitalTwinsInstance endpoint.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsEndpointDelete_WithIdentity_example.json
  */
-async function deleteADigitalTwinsInstanceEndpointWithIdentity() {
+async function deleteADigitalTwinsInstanceEndpointWithIdentity(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -68,7 +66,7 @@ async function deleteADigitalTwinsInstanceEndpointWithIdentity() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   deleteADigitalTwinsInstanceEndpoint();
   deleteADigitalTwinsInstanceEndpointWithIdentity();
 }
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsEndpointGetSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsEndpointGetSample.ts
index 2a35af571297..bd9bf376eb59 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsEndpointGetSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsEndpointGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get DigitalTwinsInstances Endpoint.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get DigitalTwinsInstances Endpoint.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsEndpointGet_example.json
  */
-async function getADigitalTwinsInstanceEndpoint() {
+async function getADigitalTwinsInstanceEndpoint(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -47,7 +45,7 @@ async function getADigitalTwinsInstanceEndpoint() {
  * @summary Get DigitalTwinsInstances Endpoint.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsEndpointGet_WithIdentity_example.json
  */
-async function getADigitalTwinsInstanceEndpointWithIdentity() {
+async function getADigitalTwinsInstanceEndpointWithIdentity(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -68,7 +66,7 @@ async function getADigitalTwinsInstanceEndpointWithIdentity() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getADigitalTwinsInstanceEndpoint();
   getADigitalTwinsInstanceEndpointWithIdentity();
 }
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsEndpointListSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsEndpointListSample.ts
index 2462d81989c7..28111fe54000 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsEndpointListSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsEndpointListSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get DigitalTwinsInstance Endpoints.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get DigitalTwinsInstance Endpoints.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsEndpointsGet_example.json
  */
-async function getADigitalTwinsInstanceEndpoints() {
+async function getADigitalTwinsInstanceEndpoints(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -48,7 +46,7 @@ async function getADigitalTwinsInstanceEndpoints() {
  * @summary Get DigitalTwinsInstance Endpoints.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsEndpointsGet_WithIdentity_example.json
  */
-async function getADigitalTwinsInstanceEndpointsWithIdentity() {
+async function getADigitalTwinsInstanceEndpointsWithIdentity(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -70,7 +68,7 @@ async function getADigitalTwinsInstanceEndpointsWithIdentity() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getADigitalTwinsInstanceEndpoints();
   getADigitalTwinsInstanceEndpointsWithIdentity();
 }
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsGetSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsGetSample.ts
index d25fa0f1da2d..9562569c5e4a 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsGetSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get DigitalTwinsInstances resource.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get DigitalTwinsInstances resource.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsGet_example.json
  */
-async function getADigitalTwinsInstanceResource() {
+async function getADigitalTwinsInstanceResource(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -42,7 +40,7 @@ async function getADigitalTwinsInstanceResource() {
  * @summary Get DigitalTwinsInstances resource.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsGet_WithPrivateEndpointConnection_example.json
  */
-async function getADigitalTwinsInstanceResourceWithAPrivateEndpointConnection() {
+async function getADigitalTwinsInstanceResourceWithAPrivateEndpointConnection(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -64,7 +62,7 @@ async function getADigitalTwinsInstanceResourceWithAPrivateEndpointConnection()
  * @summary Get DigitalTwinsInstances resource.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsGet_WithIdentity_example.json
  */
-async function getADigitalTwinsInstanceResourceWithIdentity() {
+async function getADigitalTwinsInstanceResourceWithIdentity(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -80,7 +78,7 @@ async function getADigitalTwinsInstanceResourceWithIdentity() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getADigitalTwinsInstanceResource();
   getADigitalTwinsInstanceResourceWithAPrivateEndpointConnection();
   getADigitalTwinsInstanceResourceWithIdentity();
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsListByResourceGroupSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsListByResourceGroupSample.ts
index f6a2fdc7d8b5..3a81c861bb60 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsListByResourceGroupSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsListByResourceGroupSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get all the DigitalTwinsInstances in a resource group.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get all the DigitalTwinsInstances in a resource group.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsListByResourceGroup_example.json
  */
-async function getDigitalTwinsInstanceResourcesByResourceGroup() {
+async function getDigitalTwinsInstanceResourcesByResourceGroup(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -40,7 +38,7 @@ async function getDigitalTwinsInstanceResourcesByResourceGroup() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getDigitalTwinsInstanceResourcesByResourceGroup();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsListSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsListSample.ts
index ddd2509c56ba..3fb42ee1b2ef 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsListSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsListSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get all the DigitalTwinsInstances in a subscription.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get all the DigitalTwinsInstances in a subscription.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsList_example.json
  */
-async function getDigitalTwinsInstanceResourcesBySubscription() {
+async function getDigitalTwinsInstanceResourcesBySubscription(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -36,7 +34,7 @@ async function getDigitalTwinsInstanceResourcesBySubscription() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getDigitalTwinsInstanceResourcesBySubscription();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsUpdateSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsUpdateSample.ts
index e56fc0d94087..8c3bb5a8df2a 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsUpdateSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/digitalTwinsUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   AzureDigitalTwinsManagementClient
 } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Update metadata of DigitalTwinsInstance.
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary Update metadata of DigitalTwinsInstance.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsPatch_example.json
  */
-async function patchADigitalTwinsInstanceResource() {
+async function patchADigitalTwinsInstanceResource(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -52,7 +50,7 @@ async function patchADigitalTwinsInstanceResource() {
  * @summary Update metadata of DigitalTwinsInstance.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsPatch_WithIdentity_example.json
  */
-async function patchADigitalTwinsInstanceResourceWithIdentity() {
+async function patchADigitalTwinsInstanceResourceWithIdentity(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -81,7 +79,7 @@ async function patchADigitalTwinsInstanceResourceWithIdentity() {
  * @summary Update metadata of DigitalTwinsInstance.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsPatch_WithPublicNetworkAccess.json
  */
-async function patchADigitalTwinsInstanceResourceWithPublicNetworkAccessProperty() {
+async function patchADigitalTwinsInstanceResourceWithPublicNetworkAccessProperty(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -104,7 +102,7 @@ async function patchADigitalTwinsInstanceResourceWithPublicNetworkAccessProperty
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   patchADigitalTwinsInstanceResource();
   patchADigitalTwinsInstanceResourceWithIdentity();
   patchADigitalTwinsInstanceResourceWithPublicNetworkAccessProperty();
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/operationsListSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/operationsListSample.ts
index c4d650713d08..538f509ea24a 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/operationsListSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/operationsListSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Lists all of the available DigitalTwins service REST API operations.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Lists all of the available DigitalTwins service REST API operations.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsOperationsList_example.json
  */
-async function getAvailableOperations() {
+async function getAvailableOperations(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -36,7 +34,7 @@ async function getAvailableOperations() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getAvailableOperations();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateEndpointConnectionsCreateOrUpdateSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateEndpointConnectionsCreateOrUpdateSample.ts
index 97f9a0f86767..4d80706f16e7 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateEndpointConnectionsCreateOrUpdateSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateEndpointConnectionsCreateOrUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   AzureDigitalTwinsManagementClient
 } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Update the status of a private endpoint connection with the given name.
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary Update the status of a private endpoint connection with the given name.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/PrivateEndpointConnectionPut_example.json
  */
-async function updateTheStatusOfAPrivateEndpointConnectionWithTheGivenName() {
+async function updateTheStatusOfAPrivateEndpointConnectionWithTheGivenName(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -53,7 +51,7 @@ async function updateTheStatusOfAPrivateEndpointConnectionWithTheGivenName() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   updateTheStatusOfAPrivateEndpointConnectionWithTheGivenName();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateEndpointConnectionsDeleteSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateEndpointConnectionsDeleteSample.ts
index ea82b402355c..3ddeb7c2e9e6 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateEndpointConnectionsDeleteSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateEndpointConnectionsDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Delete private endpoint connection with the specified name.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Delete private endpoint connection with the specified name.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/PrivateEndpointConnectionDelete_example.json
  */
-async function deletePrivateEndpointConnectionWithTheSpecifiedName() {
+async function deletePrivateEndpointConnectionWithTheSpecifiedName(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -41,7 +39,7 @@ async function deletePrivateEndpointConnectionWithTheSpecifiedName() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   deletePrivateEndpointConnectionWithTheSpecifiedName();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateEndpointConnectionsGetSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateEndpointConnectionsGetSample.ts
index 196ae702823f..9fe692e90097 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateEndpointConnectionsGetSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateEndpointConnectionsGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get private endpoint connection properties for the given private endpoint.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get private endpoint connection properties for the given private endpoint.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/PrivateEndpointConnectionByConnectionName_example.json
  */
-async function getPrivateEndpointConnectionPropertiesForTheGivenPrivateEndpoint() {
+async function getPrivateEndpointConnectionPropertiesForTheGivenPrivateEndpoint(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -41,7 +39,7 @@ async function getPrivateEndpointConnectionPropertiesForTheGivenPrivateEndpoint(
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getPrivateEndpointConnectionPropertiesForTheGivenPrivateEndpoint();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateEndpointConnectionsListSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateEndpointConnectionsListSample.ts
index 1a17ebdb6d8a..b7038af0259c 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateEndpointConnectionsListSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateEndpointConnectionsListSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List private endpoint connection properties.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary List private endpoint connection properties.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/PrivateEndpointConnectionsList_example.json
  */
-async function listPrivateEndpointConnectionProperties() {
+async function listPrivateEndpointConnectionProperties(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -39,7 +37,7 @@ async function listPrivateEndpointConnectionProperties() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   listPrivateEndpointConnectionProperties();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateLinkResourcesGetSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateLinkResourcesGetSample.ts
index d33986b2b026..1fe501375270 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateLinkResourcesGetSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateLinkResourcesGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get the specified private link resource for the given Digital Twin.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get the specified private link resource for the given Digital Twin.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/PrivateLinkResourcesByGroupId_example.json
  */
-async function getTheSpecifiedPrivateLinkResourceForTheGivenDigitalTwin() {
+async function getTheSpecifiedPrivateLinkResourceForTheGivenDigitalTwin(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -41,7 +39,7 @@ async function getTheSpecifiedPrivateLinkResourceForTheGivenDigitalTwin() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getTheSpecifiedPrivateLinkResourceForTheGivenDigitalTwin();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateLinkResourcesListSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateLinkResourcesListSample.ts
index 33a798080959..10d211e853ce 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateLinkResourcesListSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/privateLinkResourcesListSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List private link resources for given Digital Twin.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary List private link resources for given Digital Twin.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/PrivateLinkResourcesList_example.json
  */
-async function listPrivateLinkResourcesForGivenDigitalTwin() {
+async function listPrivateLinkResourcesForGivenDigitalTwin(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -39,7 +37,7 @@ async function listPrivateLinkResourcesForGivenDigitalTwin() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   listPrivateLinkResourcesForGivenDigitalTwin();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/timeSeriesDatabaseConnectionsCreateOrUpdateSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/timeSeriesDatabaseConnectionsCreateOrUpdateSample.ts
index 8a5eefdbfd02..2c6bdb031b95 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/timeSeriesDatabaseConnectionsCreateOrUpdateSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/timeSeriesDatabaseConnectionsCreateOrUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   AzureDigitalTwinsManagementClient
 } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Create or update a time series database connection.
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary Create or update a time series database connection.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/TimeSeriesDatabaseConnectionsPut_WithUserIdentity_example.json
  */
-async function createOrReplaceATimeSeriesDatabaseConnectionForADigitalTwinsInstanceWithUserAssignedIdentity() {
+async function createOrReplaceATimeSeriesDatabaseConnectionForADigitalTwinsInstanceWithUserAssignedIdentity(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -70,7 +68,7 @@ async function createOrReplaceATimeSeriesDatabaseConnectionForADigitalTwinsInsta
  * @summary Create or update a time series database connection.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/TimeSeriesDatabaseConnectionsPut_example.json
  */
-async function createOrReplaceATimeSeriesDatabaseConnectionForADigitalTwinsInstance() {
+async function createOrReplaceATimeSeriesDatabaseConnectionForADigitalTwinsInstance(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -110,7 +108,7 @@ async function createOrReplaceATimeSeriesDatabaseConnectionForADigitalTwinsInsta
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   createOrReplaceATimeSeriesDatabaseConnectionForADigitalTwinsInstanceWithUserAssignedIdentity();
   createOrReplaceATimeSeriesDatabaseConnectionForADigitalTwinsInstance();
 }
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/timeSeriesDatabaseConnectionsDeleteSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/timeSeriesDatabaseConnectionsDeleteSample.ts
index c16802834aca..f00fc52fa74f 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/timeSeriesDatabaseConnectionsDeleteSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/timeSeriesDatabaseConnectionsDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Delete a time series database connection.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Delete a time series database connection.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/TimeSeriesDatabaseConnectionsDelete_example.json
  */
-async function deleteATimeSeriesDatabaseConnectionForADigitalTwinsInstance() {
+async function deleteATimeSeriesDatabaseConnectionForADigitalTwinsInstance(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -41,7 +39,7 @@ async function deleteATimeSeriesDatabaseConnectionForADigitalTwinsInstance() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   deleteATimeSeriesDatabaseConnectionForADigitalTwinsInstance();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/timeSeriesDatabaseConnectionsGetSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/timeSeriesDatabaseConnectionsGetSample.ts
index 31ba3e43cb9b..371c6050ad0d 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/timeSeriesDatabaseConnectionsGetSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/timeSeriesDatabaseConnectionsGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get the description of an existing time series database connection.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get the description of an existing time series database connection.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/TimeSeriesDatabaseConnectionsGet_example.json
  */
-async function getTimeSeriesDatabaseConnectionForADigitalTwinsInstance() {
+async function getTimeSeriesDatabaseConnectionForADigitalTwinsInstance(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -41,7 +39,7 @@ async function getTimeSeriesDatabaseConnectionForADigitalTwinsInstance() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getTimeSeriesDatabaseConnectionForADigitalTwinsInstance();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples-dev/timeSeriesDatabaseConnectionsListSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples-dev/timeSeriesDatabaseConnectionsListSample.ts
index 8f15e3589ef5..0431a1b67697 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples-dev/timeSeriesDatabaseConnectionsListSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples-dev/timeSeriesDatabaseConnectionsListSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get all existing time series database connections for this DigitalTwins instance.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get all existing time series database connections for this DigitalTwins instance.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/TimeSeriesDatabaseConnectionsList_example.json
  */
-async function listTimeSeriesDatabaseConnectionsForADigitalTwinsInstance() {
+async function listTimeSeriesDatabaseConnectionsForADigitalTwinsInstance(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -42,7 +40,7 @@ async function listTimeSeriesDatabaseConnectionsForADigitalTwinsInstance() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   listTimeSeriesDatabaseConnectionsForADigitalTwinsInstance();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsCheckNameAvailabilitySample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsCheckNameAvailabilitySample.ts
index 2ebdbd253757..6eed936fddf5 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsCheckNameAvailabilitySample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsCheckNameAvailabilitySample.ts
@@ -13,9 +13,7 @@ import {
   AzureDigitalTwinsManagementClient
 } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Check if a DigitalTwinsInstance name is available.
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary Check if a DigitalTwinsInstance name is available.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsCheckNameAvailability_example.json
  */
-async function checkNameAvailability() {
+async function checkNameAvailability(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -44,7 +42,7 @@ async function checkNameAvailability() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   checkNameAvailability();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsCreateOrUpdateSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsCreateOrUpdateSample.ts
index 7900c41905a0..b387adc2339d 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsCreateOrUpdateSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsCreateOrUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   AzureDigitalTwinsManagementClient
 } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Create or update the metadata of a DigitalTwinsInstance. The usual pattern to modify a property is to retrieve the DigitalTwinsInstance and security metadata, and then combine them with the modified values in a new body to update the DigitalTwinsInstance.
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary Create or update the metadata of a DigitalTwinsInstance. The usual pattern to modify a property is to retrieve the DigitalTwinsInstance and security metadata, and then combine them with the modified values in a new body to update the DigitalTwinsInstance.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsPut_example.json
  */
-async function putADigitalTwinsInstanceResource() {
+async function putADigitalTwinsInstanceResource(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -50,7 +48,7 @@ async function putADigitalTwinsInstanceResource() {
  * @summary Create or update the metadata of a DigitalTwinsInstance. The usual pattern to modify a property is to retrieve the DigitalTwinsInstance and security metadata, and then combine them with the modified values in a new body to update the DigitalTwinsInstance.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsPut_WithIdentity_example.json
  */
-async function putADigitalTwinsInstanceResourceWithIdentity() {
+async function putADigitalTwinsInstanceResourceWithIdentity(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -85,7 +83,7 @@ async function putADigitalTwinsInstanceResourceWithIdentity() {
  * @summary Create or update the metadata of a DigitalTwinsInstance. The usual pattern to modify a property is to retrieve the DigitalTwinsInstance and security metadata, and then combine them with the modified values in a new body to update the DigitalTwinsInstance.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsPut_WithPublicNetworkAccess.json
  */
-async function putADigitalTwinsInstanceResourceWithPublicNetworkAccessProperty() {
+async function putADigitalTwinsInstanceResourceWithPublicNetworkAccessProperty(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -109,7 +107,7 @@ async function putADigitalTwinsInstanceResourceWithPublicNetworkAccessProperty()
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   putADigitalTwinsInstanceResource();
   putADigitalTwinsInstanceResourceWithIdentity();
   putADigitalTwinsInstanceResourceWithPublicNetworkAccessProperty();
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsDeleteSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsDeleteSample.ts
index 500cb1aab0d6..a239d4e98c2f 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsDeleteSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Delete a DigitalTwinsInstance.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Delete a DigitalTwinsInstance.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsDelete_example.json
  */
-async function deleteADigitalTwinsInstanceResource() {
+async function deleteADigitalTwinsInstanceResource(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -45,7 +43,7 @@ async function deleteADigitalTwinsInstanceResource() {
  * @summary Delete a DigitalTwinsInstance.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsDelete_WithIdentity_example.json
  */
-async function deleteADigitalTwinsInstanceResourceWithIdentity() {
+async function deleteADigitalTwinsInstanceResourceWithIdentity(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -64,7 +62,7 @@ async function deleteADigitalTwinsInstanceResourceWithIdentity() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   deleteADigitalTwinsInstanceResource();
   deleteADigitalTwinsInstanceResourceWithIdentity();
 }
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsEndpointCreateOrUpdateSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsEndpointCreateOrUpdateSample.ts
index 6f017a8e946b..22dafded9447 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsEndpointCreateOrUpdateSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsEndpointCreateOrUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   AzureDigitalTwinsManagementClient
 } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Create or update DigitalTwinsInstance endpoint.
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary Create or update DigitalTwinsInstance endpoint.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsEndpointPut_example.json
  */
-async function putADigitalTwinsEndpointResource() {
+async function putADigitalTwinsEndpointResource(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -61,7 +59,7 @@ async function putADigitalTwinsEndpointResource() {
  * @summary Create or update DigitalTwinsInstance endpoint.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsEndpointPut_WithIdentity_example.json
  */
-async function putADigitalTwinsEndpointResourceWithIdentity() {
+async function putADigitalTwinsEndpointResourceWithIdentity(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -97,7 +95,7 @@ async function putADigitalTwinsEndpointResourceWithIdentity() {
  * @summary Create or update DigitalTwinsInstance endpoint.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsEndpointPut_WithUserIdentity_example.json
  */
-async function putADigitalTwinsEndpointResourceWithUserAssignedIdentity() {
+async function putADigitalTwinsEndpointResourceWithUserAssignedIdentity(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -132,7 +130,7 @@ async function putADigitalTwinsEndpointResourceWithUserAssignedIdentity() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   putADigitalTwinsEndpointResource();
   putADigitalTwinsEndpointResourceWithIdentity();
   putADigitalTwinsEndpointResourceWithUserAssignedIdentity();
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsEndpointDeleteSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsEndpointDeleteSample.ts
index ce2bd9575447..2552e4b83e59 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsEndpointDeleteSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsEndpointDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Delete a DigitalTwinsInstance endpoint.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Delete a DigitalTwinsInstance endpoint.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsEndpointDelete_example.json
  */
-async function deleteADigitalTwinsInstanceEndpoint() {
+async function deleteADigitalTwinsInstanceEndpoint(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -47,7 +45,7 @@ async function deleteADigitalTwinsInstanceEndpoint() {
  * @summary Delete a DigitalTwinsInstance endpoint.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsEndpointDelete_WithIdentity_example.json
  */
-async function deleteADigitalTwinsInstanceEndpointWithIdentity() {
+async function deleteADigitalTwinsInstanceEndpointWithIdentity(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -68,7 +66,7 @@ async function deleteADigitalTwinsInstanceEndpointWithIdentity() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   deleteADigitalTwinsInstanceEndpoint();
   deleteADigitalTwinsInstanceEndpointWithIdentity();
 }
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsEndpointGetSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsEndpointGetSample.ts
index 2a35af571297..bd9bf376eb59 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsEndpointGetSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsEndpointGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get DigitalTwinsInstances Endpoint.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get DigitalTwinsInstances Endpoint.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsEndpointGet_example.json
  */
-async function getADigitalTwinsInstanceEndpoint() {
+async function getADigitalTwinsInstanceEndpoint(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -47,7 +45,7 @@ async function getADigitalTwinsInstanceEndpoint() {
  * @summary Get DigitalTwinsInstances Endpoint.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsEndpointGet_WithIdentity_example.json
  */
-async function getADigitalTwinsInstanceEndpointWithIdentity() {
+async function getADigitalTwinsInstanceEndpointWithIdentity(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -68,7 +66,7 @@ async function getADigitalTwinsInstanceEndpointWithIdentity() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getADigitalTwinsInstanceEndpoint();
   getADigitalTwinsInstanceEndpointWithIdentity();
 }
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsEndpointListSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsEndpointListSample.ts
index 2462d81989c7..28111fe54000 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsEndpointListSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsEndpointListSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get DigitalTwinsInstance Endpoints.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get DigitalTwinsInstance Endpoints.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsEndpointsGet_example.json
  */
-async function getADigitalTwinsInstanceEndpoints() {
+async function getADigitalTwinsInstanceEndpoints(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -48,7 +46,7 @@ async function getADigitalTwinsInstanceEndpoints() {
  * @summary Get DigitalTwinsInstance Endpoints.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsEndpointsGet_WithIdentity_example.json
  */
-async function getADigitalTwinsInstanceEndpointsWithIdentity() {
+async function getADigitalTwinsInstanceEndpointsWithIdentity(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -70,7 +68,7 @@ async function getADigitalTwinsInstanceEndpointsWithIdentity() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getADigitalTwinsInstanceEndpoints();
   getADigitalTwinsInstanceEndpointsWithIdentity();
 }
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsGetSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsGetSample.ts
index d25fa0f1da2d..9562569c5e4a 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsGetSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get DigitalTwinsInstances resource.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get DigitalTwinsInstances resource.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsGet_example.json
  */
-async function getADigitalTwinsInstanceResource() {
+async function getADigitalTwinsInstanceResource(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -42,7 +40,7 @@ async function getADigitalTwinsInstanceResource() {
  * @summary Get DigitalTwinsInstances resource.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsGet_WithPrivateEndpointConnection_example.json
  */
-async function getADigitalTwinsInstanceResourceWithAPrivateEndpointConnection() {
+async function getADigitalTwinsInstanceResourceWithAPrivateEndpointConnection(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -64,7 +62,7 @@ async function getADigitalTwinsInstanceResourceWithAPrivateEndpointConnection()
  * @summary Get DigitalTwinsInstances resource.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsGet_WithIdentity_example.json
  */
-async function getADigitalTwinsInstanceResourceWithIdentity() {
+async function getADigitalTwinsInstanceResourceWithIdentity(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -80,7 +78,7 @@ async function getADigitalTwinsInstanceResourceWithIdentity() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getADigitalTwinsInstanceResource();
   getADigitalTwinsInstanceResourceWithAPrivateEndpointConnection();
   getADigitalTwinsInstanceResourceWithIdentity();
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsListByResourceGroupSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsListByResourceGroupSample.ts
index f6a2fdc7d8b5..3a81c861bb60 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsListByResourceGroupSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsListByResourceGroupSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get all the DigitalTwinsInstances in a resource group.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get all the DigitalTwinsInstances in a resource group.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsListByResourceGroup_example.json
  */
-async function getDigitalTwinsInstanceResourcesByResourceGroup() {
+async function getDigitalTwinsInstanceResourcesByResourceGroup(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -40,7 +38,7 @@ async function getDigitalTwinsInstanceResourcesByResourceGroup() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getDigitalTwinsInstanceResourcesByResourceGroup();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsListSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsListSample.ts
index ddd2509c56ba..3fb42ee1b2ef 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsListSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsListSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get all the DigitalTwinsInstances in a subscription.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get all the DigitalTwinsInstances in a subscription.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsList_example.json
  */
-async function getDigitalTwinsInstanceResourcesBySubscription() {
+async function getDigitalTwinsInstanceResourcesBySubscription(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -36,7 +34,7 @@ async function getDigitalTwinsInstanceResourcesBySubscription() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getDigitalTwinsInstanceResourcesBySubscription();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsUpdateSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsUpdateSample.ts
index e56fc0d94087..8c3bb5a8df2a 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsUpdateSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/digitalTwinsUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   AzureDigitalTwinsManagementClient
 } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Update metadata of DigitalTwinsInstance.
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary Update metadata of DigitalTwinsInstance.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsPatch_example.json
  */
-async function patchADigitalTwinsInstanceResource() {
+async function patchADigitalTwinsInstanceResource(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -52,7 +50,7 @@ async function patchADigitalTwinsInstanceResource() {
  * @summary Update metadata of DigitalTwinsInstance.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsPatch_WithIdentity_example.json
  */
-async function patchADigitalTwinsInstanceResourceWithIdentity() {
+async function patchADigitalTwinsInstanceResourceWithIdentity(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -81,7 +79,7 @@ async function patchADigitalTwinsInstanceResourceWithIdentity() {
  * @summary Update metadata of DigitalTwinsInstance.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsPatch_WithPublicNetworkAccess.json
  */
-async function patchADigitalTwinsInstanceResourceWithPublicNetworkAccessProperty() {
+async function patchADigitalTwinsInstanceResourceWithPublicNetworkAccessProperty(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -104,7 +102,7 @@ async function patchADigitalTwinsInstanceResourceWithPublicNetworkAccessProperty
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   patchADigitalTwinsInstanceResource();
   patchADigitalTwinsInstanceResourceWithIdentity();
   patchADigitalTwinsInstanceResourceWithPublicNetworkAccessProperty();
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/operationsListSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/operationsListSample.ts
index c4d650713d08..538f509ea24a 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/operationsListSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/operationsListSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Lists all of the available DigitalTwins service REST API operations.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Lists all of the available DigitalTwins service REST API operations.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/DigitalTwinsOperationsList_example.json
  */
-async function getAvailableOperations() {
+async function getAvailableOperations(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "00000000-0000-0000-0000-000000000000";
@@ -36,7 +34,7 @@ async function getAvailableOperations() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getAvailableOperations();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateEndpointConnectionsCreateOrUpdateSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateEndpointConnectionsCreateOrUpdateSample.ts
index 97f9a0f86767..4d80706f16e7 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateEndpointConnectionsCreateOrUpdateSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateEndpointConnectionsCreateOrUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   AzureDigitalTwinsManagementClient
 } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Update the status of a private endpoint connection with the given name.
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary Update the status of a private endpoint connection with the given name.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/PrivateEndpointConnectionPut_example.json
  */
-async function updateTheStatusOfAPrivateEndpointConnectionWithTheGivenName() {
+async function updateTheStatusOfAPrivateEndpointConnectionWithTheGivenName(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -53,7 +51,7 @@ async function updateTheStatusOfAPrivateEndpointConnectionWithTheGivenName() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   updateTheStatusOfAPrivateEndpointConnectionWithTheGivenName();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateEndpointConnectionsDeleteSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateEndpointConnectionsDeleteSample.ts
index ea82b402355c..3ddeb7c2e9e6 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateEndpointConnectionsDeleteSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateEndpointConnectionsDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Delete private endpoint connection with the specified name.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Delete private endpoint connection with the specified name.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/PrivateEndpointConnectionDelete_example.json
  */
-async function deletePrivateEndpointConnectionWithTheSpecifiedName() {
+async function deletePrivateEndpointConnectionWithTheSpecifiedName(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -41,7 +39,7 @@ async function deletePrivateEndpointConnectionWithTheSpecifiedName() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   deletePrivateEndpointConnectionWithTheSpecifiedName();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateEndpointConnectionsGetSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateEndpointConnectionsGetSample.ts
index 196ae702823f..9fe692e90097 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateEndpointConnectionsGetSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateEndpointConnectionsGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get private endpoint connection properties for the given private endpoint.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get private endpoint connection properties for the given private endpoint.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/PrivateEndpointConnectionByConnectionName_example.json
  */
-async function getPrivateEndpointConnectionPropertiesForTheGivenPrivateEndpoint() {
+async function getPrivateEndpointConnectionPropertiesForTheGivenPrivateEndpoint(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -41,7 +39,7 @@ async function getPrivateEndpointConnectionPropertiesForTheGivenPrivateEndpoint(
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getPrivateEndpointConnectionPropertiesForTheGivenPrivateEndpoint();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateEndpointConnectionsListSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateEndpointConnectionsListSample.ts
index 1a17ebdb6d8a..b7038af0259c 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateEndpointConnectionsListSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateEndpointConnectionsListSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List private endpoint connection properties.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary List private endpoint connection properties.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/PrivateEndpointConnectionsList_example.json
  */
-async function listPrivateEndpointConnectionProperties() {
+async function listPrivateEndpointConnectionProperties(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -39,7 +37,7 @@ async function listPrivateEndpointConnectionProperties() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   listPrivateEndpointConnectionProperties();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateLinkResourcesGetSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateLinkResourcesGetSample.ts
index d33986b2b026..1fe501375270 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateLinkResourcesGetSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateLinkResourcesGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get the specified private link resource for the given Digital Twin.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get the specified private link resource for the given Digital Twin.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/PrivateLinkResourcesByGroupId_example.json
  */
-async function getTheSpecifiedPrivateLinkResourceForTheGivenDigitalTwin() {
+async function getTheSpecifiedPrivateLinkResourceForTheGivenDigitalTwin(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -41,7 +39,7 @@ async function getTheSpecifiedPrivateLinkResourceForTheGivenDigitalTwin() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getTheSpecifiedPrivateLinkResourceForTheGivenDigitalTwin();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateLinkResourcesListSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateLinkResourcesListSample.ts
index 33a798080959..10d211e853ce 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateLinkResourcesListSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/privateLinkResourcesListSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to List private link resources for given Digital Twin.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary List private link resources for given Digital Twin.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/PrivateLinkResourcesList_example.json
  */
-async function listPrivateLinkResourcesForGivenDigitalTwin() {
+async function listPrivateLinkResourcesForGivenDigitalTwin(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -39,7 +37,7 @@ async function listPrivateLinkResourcesForGivenDigitalTwin() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   listPrivateLinkResourcesForGivenDigitalTwin();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/timeSeriesDatabaseConnectionsCreateOrUpdateSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/timeSeriesDatabaseConnectionsCreateOrUpdateSample.ts
index 8a5eefdbfd02..2c6bdb031b95 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/timeSeriesDatabaseConnectionsCreateOrUpdateSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/timeSeriesDatabaseConnectionsCreateOrUpdateSample.ts
@@ -13,9 +13,7 @@ import {
   AzureDigitalTwinsManagementClient
 } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Create or update a time series database connection.
@@ -23,7 +21,7 @@ dotenv.config();
  * @summary Create or update a time series database connection.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/TimeSeriesDatabaseConnectionsPut_WithUserIdentity_example.json
  */
-async function createOrReplaceATimeSeriesDatabaseConnectionForADigitalTwinsInstanceWithUserAssignedIdentity() {
+async function createOrReplaceATimeSeriesDatabaseConnectionForADigitalTwinsInstanceWithUserAssignedIdentity(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -70,7 +68,7 @@ async function createOrReplaceATimeSeriesDatabaseConnectionForADigitalTwinsInsta
  * @summary Create or update a time series database connection.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/TimeSeriesDatabaseConnectionsPut_example.json
  */
-async function createOrReplaceATimeSeriesDatabaseConnectionForADigitalTwinsInstance() {
+async function createOrReplaceATimeSeriesDatabaseConnectionForADigitalTwinsInstance(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -110,7 +108,7 @@ async function createOrReplaceATimeSeriesDatabaseConnectionForADigitalTwinsInsta
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   createOrReplaceATimeSeriesDatabaseConnectionForADigitalTwinsInstanceWithUserAssignedIdentity();
   createOrReplaceATimeSeriesDatabaseConnectionForADigitalTwinsInstance();
 }
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/timeSeriesDatabaseConnectionsDeleteSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/timeSeriesDatabaseConnectionsDeleteSample.ts
index c16802834aca..f00fc52fa74f 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/timeSeriesDatabaseConnectionsDeleteSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/timeSeriesDatabaseConnectionsDeleteSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Delete a time series database connection.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Delete a time series database connection.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/TimeSeriesDatabaseConnectionsDelete_example.json
  */
-async function deleteATimeSeriesDatabaseConnectionForADigitalTwinsInstance() {
+async function deleteATimeSeriesDatabaseConnectionForADigitalTwinsInstance(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -41,7 +39,7 @@ async function deleteATimeSeriesDatabaseConnectionForADigitalTwinsInstance() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   deleteATimeSeriesDatabaseConnectionForADigitalTwinsInstance();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/timeSeriesDatabaseConnectionsGetSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/timeSeriesDatabaseConnectionsGetSample.ts
index 31ba3e43cb9b..371c6050ad0d 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/timeSeriesDatabaseConnectionsGetSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/timeSeriesDatabaseConnectionsGetSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get the description of an existing time series database connection.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get the description of an existing time series database connection.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/TimeSeriesDatabaseConnectionsGet_example.json
  */
-async function getTimeSeriesDatabaseConnectionForADigitalTwinsInstance() {
+async function getTimeSeriesDatabaseConnectionForADigitalTwinsInstance(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -41,7 +39,7 @@ async function getTimeSeriesDatabaseConnectionForADigitalTwinsInstance() {
   console.log(result);
 }
 
-async function main() {
+async function main(): Promise<void> {
   getTimeSeriesDatabaseConnectionForADigitalTwinsInstance();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/timeSeriesDatabaseConnectionsListSample.ts b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/timeSeriesDatabaseConnectionsListSample.ts
index 8f15e3589ef5..0431a1b67697 100644
--- a/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/timeSeriesDatabaseConnectionsListSample.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/samples/v3/typescript/src/timeSeriesDatabaseConnectionsListSample.ts
@@ -10,9 +10,7 @@
 // Licensed under the MIT License.
 import { AzureDigitalTwinsManagementClient } from "@azure/arm-digitaltwins";
 import { DefaultAzureCredential } from "@azure/identity";
-import * as dotenv from "dotenv";
-
-dotenv.config();
+import "dotenv/config";
 
 /**
  * This sample demonstrates how to Get all existing time series database connections for this DigitalTwins instance.
@@ -20,7 +18,7 @@ dotenv.config();
  * @summary Get all existing time series database connections for this DigitalTwins instance.
  * x-ms-original-file: specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2023-01-31/examples/TimeSeriesDatabaseConnectionsList_example.json
  */
-async function listTimeSeriesDatabaseConnectionsForADigitalTwinsInstance() {
+async function listTimeSeriesDatabaseConnectionsForADigitalTwinsInstance(): Promise<void> {
   const subscriptionId =
     process.env["DIGITALTWINS_SUBSCRIPTION_ID"] ||
     "50016170-c839-41ba-a724-51e9df440b9e";
@@ -42,7 +40,7 @@ async function listTimeSeriesDatabaseConnectionsForADigitalTwinsInstance() {
   console.log(resArray);
 }
 
-async function main() {
+async function main(): Promise<void> {
   listTimeSeriesDatabaseConnectionsForADigitalTwinsInstance();
 }
 
diff --git a/sdk/digitaltwins/arm-digitaltwins/src/azureDigitalTwinsManagementClient.ts b/sdk/digitaltwins/arm-digitaltwins/src/azureDigitalTwinsManagementClient.ts
index 68d858bb27fd..5f87eba344e5 100644
--- a/sdk/digitaltwins/arm-digitaltwins/src/azureDigitalTwinsManagementClient.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/src/azureDigitalTwinsManagementClient.ts
@@ -21,7 +21,7 @@ import {
   PrivateLinkResourcesImpl,
   PrivateEndpointConnectionsImpl,
   TimeSeriesDatabaseConnectionsImpl
-} from "./operations";
+} from "./operations/index.js";
 import {
   DigitalTwins,
   DigitalTwinsEndpoint,
@@ -29,8 +29,8 @@ import {
   PrivateLinkResources,
   PrivateEndpointConnections,
   TimeSeriesDatabaseConnections
-} from "./operationsInterfaces";
-import { AzureDigitalTwinsManagementClientOptionalParams } from "./models";
+} from "./operationsInterfaces/index.js";
+import { AzureDigitalTwinsManagementClientOptionalParams } from "./models/index.js";
 
 export class AzureDigitalTwinsManagementClient extends coreClient.ServiceClient {
   $host: string;
diff --git a/sdk/digitaltwins/arm-digitaltwins/src/index.ts b/sdk/digitaltwins/arm-digitaltwins/src/index.ts
index 300aa52afe57..f5d603d88f88 100644
--- a/sdk/digitaltwins/arm-digitaltwins/src/index.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/src/index.ts
@@ -7,7 +7,7 @@
  */
 
 /// <reference lib="esnext.asynciterable" />
-export { getContinuationToken } from "./pagingHelper";
-export * from "./models";
-export { AzureDigitalTwinsManagementClient } from "./azureDigitalTwinsManagementClient";
-export * from "./operationsInterfaces";
+export { getContinuationToken } from "./pagingHelper.js";
+export * from "./models/index.js";
+export { AzureDigitalTwinsManagementClient } from "./azureDigitalTwinsManagementClient.js";
+export * from "./operationsInterfaces/index.js";
diff --git a/sdk/digitaltwins/arm-digitaltwins/src/models/parameters.ts b/sdk/digitaltwins/arm-digitaltwins/src/models/parameters.ts
index 9ee3c8ef75dd..790e1a252ede 100644
--- a/sdk/digitaltwins/arm-digitaltwins/src/models/parameters.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/src/models/parameters.ts
@@ -18,7 +18,7 @@ import {
   DigitalTwinsEndpointResource as DigitalTwinsEndpointResourceMapper,
   PrivateEndpointConnection as PrivateEndpointConnectionMapper,
   TimeSeriesDatabaseConnection as TimeSeriesDatabaseConnectionMapper
-} from "../models/mappers";
+} from "../models/mappers.js";
 
 export const accept: OperationParameter = {
   parameterPath: "accept",
diff --git a/sdk/digitaltwins/arm-digitaltwins/src/operations/digitalTwins.ts b/sdk/digitaltwins/arm-digitaltwins/src/operations/digitalTwins.ts
index 35ca524514c1..c06c87b2376c 100644
--- a/sdk/digitaltwins/arm-digitaltwins/src/operations/digitalTwins.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/src/operations/digitalTwins.ts
@@ -7,18 +7,18 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { DigitalTwins } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { DigitalTwins } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { AzureDigitalTwinsManagementClient } from "../azureDigitalTwinsManagementClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { AzureDigitalTwinsManagementClient } from "../azureDigitalTwinsManagementClient.js";
 import {
   SimplePollerLike,
   OperationState,
   createHttpPoller
 } from "@azure/core-lro";
-import { createLroSpec } from "../lroImpl";
+import { createLroSpec } from "../lroImpl.js";
 import {
   DigitalTwinsDescription,
   DigitalTwinsListNextOptionalParams,
@@ -41,7 +41,7 @@ import {
   DigitalTwinsCheckNameAvailabilityResponse,
   DigitalTwinsListNextResponse,
   DigitalTwinsListByResourceGroupNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing DigitalTwins operations. */
diff --git a/sdk/digitaltwins/arm-digitaltwins/src/operations/digitalTwinsEndpoint.ts b/sdk/digitaltwins/arm-digitaltwins/src/operations/digitalTwinsEndpoint.ts
index bb802394c633..3cff4857e309 100644
--- a/sdk/digitaltwins/arm-digitaltwins/src/operations/digitalTwinsEndpoint.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/src/operations/digitalTwinsEndpoint.ts
@@ -7,18 +7,18 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { DigitalTwinsEndpoint } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { DigitalTwinsEndpoint } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { AzureDigitalTwinsManagementClient } from "../azureDigitalTwinsManagementClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { AzureDigitalTwinsManagementClient } from "../azureDigitalTwinsManagementClient.js";
 import {
   SimplePollerLike,
   OperationState,
   createHttpPoller
 } from "@azure/core-lro";
-import { createLroSpec } from "../lroImpl";
+import { createLroSpec } from "../lroImpl.js";
 import {
   DigitalTwinsEndpointResource,
   DigitalTwinsEndpointListNextOptionalParams,
@@ -31,7 +31,7 @@ import {
   DigitalTwinsEndpointDeleteOptionalParams,
   DigitalTwinsEndpointDeleteResponse,
   DigitalTwinsEndpointListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing DigitalTwinsEndpoint operations. */
diff --git a/sdk/digitaltwins/arm-digitaltwins/src/operations/index.ts b/sdk/digitaltwins/arm-digitaltwins/src/operations/index.ts
index 741138123ea0..63d2cabb93e3 100644
--- a/sdk/digitaltwins/arm-digitaltwins/src/operations/index.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/src/operations/index.ts
@@ -6,9 +6,9 @@
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
  */
 
-export * from "./digitalTwins";
-export * from "./digitalTwinsEndpoint";
-export * from "./operations";
-export * from "./privateLinkResources";
-export * from "./privateEndpointConnections";
-export * from "./timeSeriesDatabaseConnections";
+export * from "./digitalTwins.js";
+export * from "./digitalTwinsEndpoint.js";
+export * from "./operations.js";
+export * from "./privateLinkResources.js";
+export * from "./privateEndpointConnections.js";
+export * from "./timeSeriesDatabaseConnections.js";
diff --git a/sdk/digitaltwins/arm-digitaltwins/src/operations/operations.ts b/sdk/digitaltwins/arm-digitaltwins/src/operations/operations.ts
index 1f4e73342df5..461a39990c9d 100644
--- a/sdk/digitaltwins/arm-digitaltwins/src/operations/operations.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/src/operations/operations.ts
@@ -7,19 +7,19 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { Operations } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { Operations } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { AzureDigitalTwinsManagementClient } from "../azureDigitalTwinsManagementClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { AzureDigitalTwinsManagementClient } from "../azureDigitalTwinsManagementClient.js";
 import {
   Operation,
   OperationsListNextOptionalParams,
   OperationsListOptionalParams,
   OperationsListResponse,
   OperationsListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing Operations operations. */
diff --git a/sdk/digitaltwins/arm-digitaltwins/src/operations/privateEndpointConnections.ts b/sdk/digitaltwins/arm-digitaltwins/src/operations/privateEndpointConnections.ts
index fb429568cec7..b5ae2ed77d84 100644
--- a/sdk/digitaltwins/arm-digitaltwins/src/operations/privateEndpointConnections.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/src/operations/privateEndpointConnections.ts
@@ -6,17 +6,17 @@
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
  */
 
-import { PrivateEndpointConnections } from "../operationsInterfaces";
+import { PrivateEndpointConnections } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { AzureDigitalTwinsManagementClient } from "../azureDigitalTwinsManagementClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { AzureDigitalTwinsManagementClient } from "../azureDigitalTwinsManagementClient.js";
 import {
   SimplePollerLike,
   OperationState,
   createHttpPoller
 } from "@azure/core-lro";
-import { createLroSpec } from "../lroImpl";
+import { createLroSpec } from "../lroImpl.js";
 import {
   PrivateEndpointConnectionsListOptionalParams,
   PrivateEndpointConnectionsListResponse,
@@ -26,7 +26,7 @@ import {
   PrivateEndpointConnection,
   PrivateEndpointConnectionsCreateOrUpdateOptionalParams,
   PrivateEndpointConnectionsCreateOrUpdateResponse
-} from "../models";
+} from "../models/index.js";
 
 /** Class containing PrivateEndpointConnections operations. */
 export class PrivateEndpointConnectionsImpl
diff --git a/sdk/digitaltwins/arm-digitaltwins/src/operations/privateLinkResources.ts b/sdk/digitaltwins/arm-digitaltwins/src/operations/privateLinkResources.ts
index 26b6b93f9b2f..59dc576deb1b 100644
--- a/sdk/digitaltwins/arm-digitaltwins/src/operations/privateLinkResources.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/src/operations/privateLinkResources.ts
@@ -6,17 +6,17 @@
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
  */
 
-import { PrivateLinkResources } from "../operationsInterfaces";
+import { PrivateLinkResources } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { AzureDigitalTwinsManagementClient } from "../azureDigitalTwinsManagementClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { AzureDigitalTwinsManagementClient } from "../azureDigitalTwinsManagementClient.js";
 import {
   PrivateLinkResourcesListOptionalParams,
   PrivateLinkResourcesListResponse,
   PrivateLinkResourcesGetOptionalParams,
   PrivateLinkResourcesGetResponse
-} from "../models";
+} from "../models/index.js";
 
 /** Class containing PrivateLinkResources operations. */
 export class PrivateLinkResourcesImpl implements PrivateLinkResources {
diff --git a/sdk/digitaltwins/arm-digitaltwins/src/operations/timeSeriesDatabaseConnections.ts b/sdk/digitaltwins/arm-digitaltwins/src/operations/timeSeriesDatabaseConnections.ts
index 2918a2d09085..e0f77d91a9a5 100644
--- a/sdk/digitaltwins/arm-digitaltwins/src/operations/timeSeriesDatabaseConnections.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/src/operations/timeSeriesDatabaseConnections.ts
@@ -7,18 +7,18 @@
  */
 
 import { PagedAsyncIterableIterator, PageSettings } from "@azure/core-paging";
-import { setContinuationToken } from "../pagingHelper";
-import { TimeSeriesDatabaseConnections } from "../operationsInterfaces";
+import { setContinuationToken } from "../pagingHelper.js";
+import { TimeSeriesDatabaseConnections } from "../operationsInterfaces/index.js";
 import * as coreClient from "@azure/core-client";
-import * as Mappers from "../models/mappers";
-import * as Parameters from "../models/parameters";
-import { AzureDigitalTwinsManagementClient } from "../azureDigitalTwinsManagementClient";
+import * as Mappers from "../models/mappers.js";
+import * as Parameters from "../models/parameters.js";
+import { AzureDigitalTwinsManagementClient } from "../azureDigitalTwinsManagementClient.js";
 import {
   SimplePollerLike,
   OperationState,
   createHttpPoller
 } from "@azure/core-lro";
-import { createLroSpec } from "../lroImpl";
+import { createLroSpec } from "../lroImpl.js";
 import {
   TimeSeriesDatabaseConnection,
   TimeSeriesDatabaseConnectionsListNextOptionalParams,
@@ -31,7 +31,7 @@ import {
   TimeSeriesDatabaseConnectionsDeleteOptionalParams,
   TimeSeriesDatabaseConnectionsDeleteResponse,
   TimeSeriesDatabaseConnectionsListNextResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Class containing TimeSeriesDatabaseConnections operations. */
diff --git a/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/digitalTwins.ts b/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/digitalTwins.ts
index 2bc0f19ed167..a712dae6a08a 100644
--- a/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/digitalTwins.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/digitalTwins.ts
@@ -24,7 +24,7 @@ import {
   CheckNameRequest,
   DigitalTwinsCheckNameAvailabilityOptionalParams,
   DigitalTwinsCheckNameAvailabilityResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a DigitalTwins. */
diff --git a/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/digitalTwinsEndpoint.ts b/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/digitalTwinsEndpoint.ts
index cdd3e56387dc..1b0b220e0959 100644
--- a/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/digitalTwinsEndpoint.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/digitalTwinsEndpoint.ts
@@ -17,7 +17,7 @@ import {
   DigitalTwinsEndpointCreateOrUpdateResponse,
   DigitalTwinsEndpointDeleteOptionalParams,
   DigitalTwinsEndpointDeleteResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a DigitalTwinsEndpoint. */
diff --git a/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/index.ts b/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/index.ts
index 741138123ea0..63d2cabb93e3 100644
--- a/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/index.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/index.ts
@@ -6,9 +6,9 @@
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
  */
 
-export * from "./digitalTwins";
-export * from "./digitalTwinsEndpoint";
-export * from "./operations";
-export * from "./privateLinkResources";
-export * from "./privateEndpointConnections";
-export * from "./timeSeriesDatabaseConnections";
+export * from "./digitalTwins.js";
+export * from "./digitalTwinsEndpoint.js";
+export * from "./operations.js";
+export * from "./privateLinkResources.js";
+export * from "./privateEndpointConnections.js";
+export * from "./timeSeriesDatabaseConnections.js";
diff --git a/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/operations.ts b/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/operations.ts
index 6c7496010bce..0137985e0b07 100644
--- a/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/operations.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/operations.ts
@@ -7,7 +7,7 @@
  */
 
 import { PagedAsyncIterableIterator } from "@azure/core-paging";
-import { Operation, OperationsListOptionalParams } from "../models";
+import { Operation, OperationsListOptionalParams } from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a Operations. */
diff --git a/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/privateEndpointConnections.ts b/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/privateEndpointConnections.ts
index e930ddb7101b..3b12f77c1fce 100644
--- a/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/privateEndpointConnections.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/privateEndpointConnections.ts
@@ -16,7 +16,7 @@ import {
   PrivateEndpointConnection,
   PrivateEndpointConnectionsCreateOrUpdateOptionalParams,
   PrivateEndpointConnectionsCreateOrUpdateResponse
-} from "../models";
+} from "../models/index.js";
 
 /** Interface representing a PrivateEndpointConnections. */
 export interface PrivateEndpointConnections {
diff --git a/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/privateLinkResources.ts b/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/privateLinkResources.ts
index af3cb5c98f15..3684d1ec630f 100644
--- a/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/privateLinkResources.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/privateLinkResources.ts
@@ -11,7 +11,7 @@ import {
   PrivateLinkResourcesListResponse,
   PrivateLinkResourcesGetOptionalParams,
   PrivateLinkResourcesGetResponse
-} from "../models";
+} from "../models/index.js";
 
 /** Interface representing a PrivateLinkResources. */
 export interface PrivateLinkResources {
diff --git a/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/timeSeriesDatabaseConnections.ts b/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/timeSeriesDatabaseConnections.ts
index 94d364e16fcf..f4d14e202008 100644
--- a/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/timeSeriesDatabaseConnections.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/src/operationsInterfaces/timeSeriesDatabaseConnections.ts
@@ -17,7 +17,7 @@ import {
   TimeSeriesDatabaseConnectionsCreateOrUpdateResponse,
   TimeSeriesDatabaseConnectionsDeleteOptionalParams,
   TimeSeriesDatabaseConnectionsDeleteResponse
-} from "../models";
+} from "../models/index.js";
 
 /// <reference lib="esnext.asynciterable" />
 /** Interface representing a TimeSeriesDatabaseConnections. */
diff --git a/sdk/digitaltwins/arm-digitaltwins/test/digitaltwins_examples.spec.ts b/sdk/digitaltwins/arm-digitaltwins/test/digitaltwins_examples.spec.ts
index 752afb3bc12e..60ec2df0b6f4 100644
--- a/sdk/digitaltwins/arm-digitaltwins/test/digitaltwins_examples.spec.ts
+++ b/sdk/digitaltwins/arm-digitaltwins/test/digitaltwins_examples.spec.ts
@@ -10,13 +10,11 @@ import {
   env,
   Recorder,
   RecorderStartOptions,
-  delay,
   isPlaybackMode,
 } from "@azure-tools/test-recorder";
 import { createTestCredential } from "@azure-tools/test-credential";
-import { assert } from "chai";
-import { Context } from "mocha";
-import { AzureDigitalTwinsManagementClient } from "../src/azureDigitalTwinsManagementClient";
+import { AzureDigitalTwinsManagementClient } from "../src/azureDigitalTwinsManagementClient.js";
+import { describe, it, assert, beforeEach, afterEach } from "vitest";
 
 const replaceableVariables: Record<string, string> = {
   AZURE_CLIENT_ID: "azure_client_id",
@@ -45,8 +43,8 @@ describe("DigitalTwins test", () => {
   let resourceGroup: string;
   let resourceName: string;
 
-  beforeEach(async function (this: Context) {
-    recorder = new Recorder(this.currentTest);
+  beforeEach(async (ctx) => {
+    recorder = new Recorder(ctx);
     await recorder.start(recorderOptions);
     subscriptionId = env.SUBSCRIPTION_ID || '';
     // This is an example of how the environment variables are used
@@ -57,7 +55,7 @@ describe("DigitalTwins test", () => {
     resourceName = "myDigitalTwinsService";
   });
 
-  afterEach(async function () {
+  afterEach(async () => {
     await recorder.stop();
   });
 
@@ -85,7 +83,7 @@ describe("DigitalTwins test", () => {
 
   it("DigitalTwins delete test", async function () {
     const resArray = new Array();
-    const res = await client.digitalTwins.beginDeleteAndWait(resourceGroup, resourceName, testPollingOptions)
+    await client.digitalTwins.beginDeleteAndWait(resourceGroup, resourceName, testPollingOptions)
     for await (let item of client.digitalTwins.listByResourceGroup(resourceGroup)) {
       resArray.push(item);
     }
diff --git a/sdk/digitaltwins/arm-digitaltwins/tsconfig.browser.config.json b/sdk/digitaltwins/arm-digitaltwins/tsconfig.browser.config.json
new file mode 100644
index 000000000000..0c8bafa97126
--- /dev/null
+++ b/sdk/digitaltwins/arm-digitaltwins/tsconfig.browser.config.json
@@ -0,0 +1,6 @@
+{
+  "extends": [
+    "./tsconfig.test.json",
+    "../../../tsconfig.browser.base.json"
+  ]
+}
diff --git a/sdk/digitaltwins/arm-digitaltwins/tsconfig.json b/sdk/digitaltwins/arm-digitaltwins/tsconfig.json
index 15e8d9a4ecc7..19ceb382b521 100644
--- a/sdk/digitaltwins/arm-digitaltwins/tsconfig.json
+++ b/sdk/digitaltwins/arm-digitaltwins/tsconfig.json
@@ -1,33 +1,13 @@
 {
-  "compilerOptions": {
-    "module": "es6",
-    "moduleResolution": "node",
-    "strict": true,
-    "target": "es6",
-    "sourceMap": true,
-    "declarationMap": true,
-    "esModuleInterop": true,
-    "allowSyntheticDefaultImports": true,
-    "forceConsistentCasingInFileNames": true,
-    "lib": [
-      "es6",
-      "dom"
-    ],
-    "declaration": true,
-    "outDir": "./dist-esm",
-    "importHelpers": true,
-    "paths": {
-      "@azure/arm-digitaltwins": [
-        "./src/index"
-      ]
+  "references": [
+    {
+      "path": "./tsconfig.src.json"
+    },
+    {
+      "path": "./tsconfig.samples.json"
+    },
+    {
+      "path": "./tsconfig.test.json"
     }
-  },
-  "include": [
-    "./src/**/*.ts",
-    "./test/**/*.ts",
-    "samples-dev/**/*.ts"
-  ],
-  "exclude": [
-    "node_modules"
   ]
-}
\ No newline at end of file
+}
diff --git a/sdk/digitaltwins/arm-digitaltwins/tsconfig.samples.json b/sdk/digitaltwins/arm-digitaltwins/tsconfig.samples.json
new file mode 100644
index 000000000000..e53064b241d3
--- /dev/null
+++ b/sdk/digitaltwins/arm-digitaltwins/tsconfig.samples.json
@@ -0,0 +1,10 @@
+{
+  "extends": "../../../tsconfig.samples.base.json",
+  "compilerOptions": {
+    "paths": {
+      "@azure/arm-digitaltwins": [
+        "./dist/esm"
+      ]
+    }
+  }
+}
diff --git a/sdk/digitaltwins/arm-digitaltwins/tsconfig.src.json b/sdk/digitaltwins/arm-digitaltwins/tsconfig.src.json
new file mode 100644
index 000000000000..bae70752dd38
--- /dev/null
+++ b/sdk/digitaltwins/arm-digitaltwins/tsconfig.src.json
@@ -0,0 +1,3 @@
+{
+  "extends": "../../../tsconfig.lib.json"
+}
diff --git a/sdk/digitaltwins/arm-digitaltwins/tsconfig.test.json b/sdk/digitaltwins/arm-digitaltwins/tsconfig.test.json
new file mode 100644
index 000000000000..3c2b783a8c1b
--- /dev/null
+++ b/sdk/digitaltwins/arm-digitaltwins/tsconfig.test.json
@@ -0,0 +1,6 @@
+{
+  "extends": [
+    "./tsconfig.src.json",
+    "../../../tsconfig.test.base.json"
+  ]
+}
diff --git a/sdk/digitaltwins/arm-digitaltwins/vitest.browser.config.ts b/sdk/digitaltwins/arm-digitaltwins/vitest.browser.config.ts
new file mode 100644
index 000000000000..182729ab5ce9
--- /dev/null
+++ b/sdk/digitaltwins/arm-digitaltwins/vitest.browser.config.ts
@@ -0,0 +1,17 @@
+
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+import { defineConfig, mergeConfig } from "vitest/config";
+import viteConfig from "../../../vitest.browser.shared.config.ts";
+
+export default mergeConfig(
+  viteConfig,
+  defineConfig({
+    test: {
+      include: ["dist-test/browser/test/**/*.spec.js",],
+      testTimeout: 1200000,
+      hookTimeout: 1200000,
+    },
+  }),
+);
diff --git a/sdk/digitaltwins/arm-digitaltwins/vitest.config.ts b/sdk/digitaltwins/arm-digitaltwins/vitest.config.ts
new file mode 100644
index 000000000000..40e031385dd8
--- /dev/null
+++ b/sdk/digitaltwins/arm-digitaltwins/vitest.config.ts
@@ -0,0 +1,16 @@
+
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+import { defineConfig, mergeConfig } from "vitest/config";
+import viteConfig from "../../../vitest.shared.config.ts";
+
+export default mergeConfig(
+  viteConfig,
+  defineConfig({
+    test: {
+      testTimeout: 1200000,
+      hookTimeout: 1200000,
+    },
+  }),
+);
diff --git a/sdk/digitaltwins/arm-digitaltwins/vitest.esm.config.ts b/sdk/digitaltwins/arm-digitaltwins/vitest.esm.config.ts
new file mode 100644
index 000000000000..a70127279fc9
--- /dev/null
+++ b/sdk/digitaltwins/arm-digitaltwins/vitest.esm.config.ts
@@ -0,0 +1,12 @@
+
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+import { mergeConfig } from "vitest/config";
+import vitestConfig from "./vitest.config.ts";
+import vitestEsmConfig from "../../../vitest.esm.shared.config.ts";
+
+export default mergeConfig(
+  vitestConfig,
+  vitestEsmConfig
+);