psalm.xml

<?xml version="1.0"?>
<psalm
        xmlns="https://getpsalm.org/schema/config"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"

        errorLevel="1"

        ignoreInternalFunctionFalseReturn="false"
        ignoreInternalFunctionNullReturn="false"
        findUnusedPsalmSuppress="true"
        findUnusedBaselineEntry="true"
        findUnusedCode="false"
        sealAllMethods="true"

        errorBaseline="development/psalm.baseline.xml"
>
    <projectFiles>
        <directory name="development"/>
        <directory name="modules/*/src"/>
        <ignoreFiles>
            <file name="modules/Collection/src/IsKeyedEnumerable.php"/>
            <file name="modules/Collection/src/IsEnumerable.php"/>
            <file name="modules/Collection/src/IsArrayEnumerable.php"/>
        </ignoreFiles>
    </projectFiles>
    <stubs>
        <file name="stubs/app_root.php"/>
    </stubs>
    <plugins>
        <pluginClass class="Psalm\PhpUnitPlugin\Plugin"/>
    </plugins>
    <issueHandlers>
        <RedundantConditionGivenDocblockType errorLevel="suppress" />
        <RedundantCastGivenDocblockType errorLevel="suppress" />
    </issueHandlers>
</psalm>