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="3" findUnusedPsalmSuppress="true" resolveFromConfigFile="true" xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd" errorBaseline="psalm-baseline.xml">
    <projectFiles>
        <directory name="src"/>
        <directory name="tests"/>
        <ignoreFiles>
            <directory name="src/Resources/skeleton"/>
            <directory name="vendor"/>
        </ignoreFiles>
    </projectFiles>
    <plugins>
        <pluginClass class="Psalm\SymfonyPsalmPlugin\Plugin"/>
        <pluginClass class="Psalm\PhpUnitPlugin\Plugin"/>
    </plugins>
    <issueHandlers>
        <InternalClass errorLevel="suppress"/>
        <InternalMethod errorLevel="suppress"/>
        <InternalProperty errorLevel="suppress"/>
    </issueHandlers>
</psalm>