Make group of() private

core/src/main/java/hudson/Functions.java

@@ -165,7 +165,7 @@
 import jenkins.model.DetailFactory;
 import jenkins.model.GlobalConfiguration;
 import jenkins.model.GlobalConfigurationCategory;
-import jenkins.model.Group;
+import jenkins.model.DetailGroup;
 import jenkins.model.Jenkins;
 import jenkins.model.ModelObjectWithChildren;
 import jenkins.model.ModelObjectWithContextMenu;
@@ -2596,20 +2596,20 @@ public static String generateItemId() {
      * Returns a grouped list of Detail objects for the given Run
      */
     @Restricted(NoExternalUse.class)
-    public static Map<Group, List<Detail>> getDetailsFor(Run<?, ?> run) {
+    public static Map<DetailGroup, List<Detail>> getDetailsFor(Run<?, ?> run) {
         List<Detail> details = new ArrayList<>();
 
         for (DetailFactory<Run> df : DetailFactory.factoriesFor(Run.class)) {
             details.addAll(df.createFor(run));
         }
 
-        Map<Group, List<Detail>> orderedMap = new TreeMap<>(Comparator.comparingInt(Group::getOrder));
+        Map<DetailGroup, List<Detail>> orderedMap = new TreeMap<>(Comparator.comparingInt(DetailGroup::getOrder));
 
         for (Detail detail : details) {
             orderedMap.computeIfAbsent(detail.getGroup(), k -> new ArrayList<>()).add(detail);
         }
 
-        for (Map.Entry<Group, List<Detail>> entry : orderedMap.entrySet()) {
+        for (Map.Entry<DetailGroup, List<Detail>> entry : orderedMap.entrySet()) {
             List<Detail> detailList = entry.getValue();
             detailList.sort(Comparator.comparingInt(Detail::getOrder));
         }

core/src/main/java/jenkins/model/Detail.java

@@ -46,8 +46,8 @@ public Detail(Run<?, ?> object) {
     /**
      * @return the grouping of the detail
      */
-    public Group getGroup() {
-        return Group.GENERAL;
+    public DetailGroup getGroup() {
+        return DetailGroup.GENERAL;
     }
 
     /**

core/src/main/java/jenkins/model/DetailGroup.java

@@ -0,0 +1,26 @@
+package jenkins.model;
+
+public class DetailGroup {
+
+    private final int order;
+
+    private DetailGroup(int order) {
+        if (order < 0) {
+            throw new RuntimeException("Orders cannot be less than 0");
+        }
+
+        this.order = order;
+    }
+
+    public static DetailGroup SCM = of(0);
+
+    public static DetailGroup GENERAL = of(Integer.MAX_VALUE);
+
+    private static DetailGroup of(int customOrder) {
+        return new DetailGroup(customOrder);
+    }
+
+    public int getOrder() {
+        return order;
+    }
+}