psalm.xml

<?xml version="1.0"?>
<psalm
        errorLevel="1"
        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"
        findUnusedPsalmSuppress="true"
        findUnusedVariablesAndParams="true"
        errorBaseline="psalm-baseline.xml"
>
    <projectFiles>
        <directory name="src" />
        <directory name="tests" />
        <ignoreFiles>
            <directory name="vendor" />

            <!-- Too many on-purpose errors in this file -->
            <file name="tests/Classes/KitchenSink.php" />
        </ignoreFiles>
    </projectFiles>

    <issueHandlers>
        <PossiblyUnusedMethod>
            <errorLevel type="suppress">
                <directory name="tests" />
            </errorLevel>
        </PossiblyUnusedMethod>
        <UnusedClass>
            <errorLevel type="suppress">
                <directory name="tests" />
            </errorLevel>
        </UnusedClass>
    </issueHandlers>
</psalm>