psalm.xml

<?xml version="1.0" encoding="UTF-8"?>
<psalm xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="https://getpsalm.org/schema/config" errorLevel="6" resolveFromConfigFile="true" xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd" errorBaseline="psalm-baseline.xml">
    <projectFiles>
        <directory name="src"/>
        <ignoreFiles>
            <directory name="src/Resources/skeleton"/>
            <directory name="vendor"/>
        </ignoreFiles>
    </projectFiles>
    <issueHandlers>
        <UnrecognizedStatement>
            <!-- NEXT_MAJOR: Remove this issue -->
            <errorLevel type="suppress">
                <file name="src/Admin/FieldDescriptionInterface.php"/>
                <file name="src/Admin/FieldDescriptionRegistryInterface.php"/>
            </errorLevel>
        </UnrecognizedStatement>
        <UndefinedClass>
            <errorLevel type="suppress">
                <!-- NEXT_MAJOR: Remove next line -->
                <referencedClass name="Sonata\CoreBundle\Form\Type\CollectionType"/>
            </errorLevel>
        </UndefinedClass>
    </issueHandlers>
</psalm>