psalm.xml

<?xml version="1.0"?>
<psalm
    errorLevel="2"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="https://getpsalm.org/schema/config"
    xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
>
    <projectFiles>
        <directory name="src"/>
        <ignoreFiles>
            <directory name="tests"/>
            <directory name="vendor"/>
        </ignoreFiles>
    </projectFiles>
    <issueHandlers>
        <MixedArgument errorLevel="info"/>
        <MixedMethodCall errorLevel="info"/>
        <MixedPropertyFetch errorLevel="info"/>
        <MixedAssignment errorLevel="info"/>
        <MixedReturnStatement errorLevel="error"/>
        <MixedInferredReturnType errorLevel="error"/>
        <MixedArgumentTypeCoercion errorLevel="error"/>
        <MixedArrayAccess errorLevel="suppress"/>
        <MixedOperand errorLevel="error"/>

        <MissingParamType errorLevel="error"/>
        <MissingClosureParamType errorLevel="error"/>
        <PropertyNotSetInConstructor errorLevel="suppress"/>

        <MissingReturnType errorLevel="error"/>
        <MissingClosureReturnType errorLevel="error"/>
        <RedundantConditionGivenDocblockType errorLevel="error"/>
        <MissingPropertyType errorLevel="suppress"/>

        <MoreSpecificImplementedParamType errorLevel="suppress"/>
    </issueHandlers>
</psalm>