psalm.xml

<?xml version="1.0"?>
<psalm
        errorLevel="3"
        resolveFromConfigFile="true"
        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="src/CoreBundle/Resources/contao/config"/>
      <directory name="src/CoreBundle/Resources/contao/dca"/>
      <directory name="src/CoreBundle/Resources/contao/languages"/>
      <directory name="vendor/contao/core-bundle"/>
      <directory name="vendor/symfony/console"/>
      <directory name="vendor/symfony/dependency-injection"/>
      <file name="src/Helper/ViewCombinations.php"/>
    </ignoreFiles>
  </projectFiles>
  <issueHandlers>
    <PossiblyNullArgument>
      <errorLevel type="suppress">
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      </errorLevel>
    </PossiblyNullArgument>
    <MixedAssignment>
      <errorLevel type="suppress">
        <file name="vendor/contao/core-bundle/src/Resources/contao/library/Contao/Widget.php"/>
      </errorLevel>
    </MixedAssignment>
    <TooManyArguments>
      <errorLevel type="suppress">
        <referencedFunction name="Doctrine\DBAL\Query\QueryBuilder::select"/>
      </errorLevel>
    </TooManyArguments>
    <MissingClassConstType>
      <errorLevel type="suppress">
        <file name="src/Attribute/Events/CollectMetaModelAttributeInformationEvent.php"/>
        <file name="src/Attribute/Events/CreateAttributeEvent.php"/>
        <file name="src/Attribute/IAttributeFactory.php"/>
        <file name="src/CoreBundle/DependencyInjection/CompilerPass/CollectDoctrineSchemaGeneratorsPass.php"/>
        <file name="src/CoreBundle/DependencyInjection/CompilerPass/CollectFactoriesPass.php"/>
        <file name="src/CoreBundle/DependencyInjection/CompilerPass/CollectSchemaGeneratorsPass.php"/>
        <file name="src/CoreBundle/DependencyInjection/CompilerPass/CollectSchemaManagersPass.php"/>
        <file name="src/CoreBundle/Migration/SetDefaultZeroMigration.php"/>
        <file name="src/DcGeneral/DataDefinition/Definition/IMetaModelDefinition.php"/>
        <file name="src/DcGeneral/Events/MetaModel/BuildAttributeEvent.php"/>
        <file name="src/DcGeneral/Events/MetaModel/BuildMetaModelOperationsEvent.php"/>
        <file name="src/DcGeneral/Events/MetaModel/PopulateAttributeEvent.php"/>
        <file name="src/Events/CollectMetaModelTableNamesEvent.php"/>
        <file name="src/Events/CreateMetaModelEvent.php"/>
        <file name="src/Events/CreatePropertyConditionEvent.php"/>
        <file name="src/Events/GetMetaModelNameFromIdEvent.php"/>
        <file name="src/Exceptions/DifferentValuesException.php"/>
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        <file name="src/Helper/TableManipulator.php"/>
        <file name="src/MetaModelsEvents.php"/>
      </errorLevel>
    </MissingClassConstType>
  </issueHandlers>
</psalm>