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="bundle" />
        <directory name="lib" />
        <ignoreFiles>
            <directory name="vendor" />
        </ignoreFiles>
    </projectFiles>

    <issueHandlers>
        <!-- Doctrine ORM -->

        <DeprecatedConstant>
            <errorLevel type="suppress">
                <directory name="lib/Layout/Resolver/TargetHandler/Doctrine/" />
            </errorLevel>
        </DeprecatedConstant>

        <!-- Psalm specific -->

        <LessSpecificImplementedReturnType>
            <errorLevel type="suppress">
                <file name="lib/Security/Authorization/Voter/AdminAccessVoter.php" />
            </errorLevel>
        </LessSpecificImplementedReturnType>

        <PossiblyNullReference>
            <errorLevel type="suppress">
                <file name="bundle/DependencyInjection/Configuration.php" />
            </errorLevel>
        </PossiblyNullReference>

        <UndefinedInterfaceMethod>
            <errorLevel type="suppress">
                <file name="bundle/DependencyInjection/Configuration.php" />
            </errorLevel>
        </UndefinedInterfaceMethod>

        <InvalidArgument>
            <errorLevel type="suppress">
                <file name="bundle/Templating/Twig/Extension/SyliusExtension.php" />
            </errorLevel>
        </InvalidArgument>

        <MissingTemplateParam>
            <errorLevel type="suppress">
                <file name="lib/Doctrine/ORM/ProductRepository.php" />
            </errorLevel>
        </MissingTemplateParam>
    </issueHandlers>

    <plugins>
        <pluginClass class="Psalm\SymfonyPsalmPlugin\Plugin" />
    </plugins>
</psalm>