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"
>
    <projectFiles>
        <directory name="src" />
        <ignoreFiles>
            <directory name="vendor" />
        </ignoreFiles>
    </projectFiles>

    <issueHandlers>
        <UndefinedClass>
            <errorLevel type="suppress">
                <referencedClass name="Symfony\Component\BrowserKit\AbstractBrowser" />
                <referencedClass name="Symfony\Component\BrowserKit\Client" />
                <referencedClass name="Symfony\Component\Routing\Loader\Configurator\RoutingConfigurator" />
            </errorLevel>
        </UndefinedClass>
        <InvalidAttribute>
            <errorLevel type="suppress">
                <file name="src/Mink/MinkParameters.php" />
            </errorLevel>
        </InvalidAttribute>

        <!-- Workaround for https://github.com/vimeo/psalm/issues/7026 -->
        <ReservedWord>
            <errorLevel type="suppress">
                <directory name="src" />
            </errorLevel>
        </ReservedWord>
    </issueHandlers>
</psalm>