psalm.xml

<?xml version="1.0"?>
<psalm
    errorLevel="4"
    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"
    autoloader="vendor/wunderio/code-quality/drupal-autoloader.php"
>
    <projectFiles>
      <ignoreFiles>
        <directory name="web/modules/contrib" />
        <directory name="web/themes/contrib" />
        <directory name="web/core" />
      </ignoreFiles>
    </projectFiles>

    <issueHandlers>
      <UndefinedInterfaceMethod errorLevel="suppress" />
      <ImplicitToStringCast errorLevel="suppress" />
    </issueHandlers>

    <fileExtensions>
      <extension name=".php" />
      <extension name=".inc" />
      <extension name=".module" />
      <extension name=".install" />
      <extension name=".theme" />
    </fileExtensions>
</psalm>