psalm.xml

<?xml version="1.0"?>
<psalm
    errorLevel="2"
    resolveFromConfigFile="true"
    allowStringToStandInForClass="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="config" />
        <directory name="src" />
        <file name="vendor/autoload.php" />
        <file name="vendor/bin/templatemap_generator.php" />
        <file name="vendor/composer/autoload_classmap.php" />
        <file name="vendor/composer/autoload_files.php" />
        <file name="vendor/composer/autoload_namespaces.php" />
        <file name="vendor/composer/autoload_psr4.php" />
        <file name="vendor/composer/autoload_real.php" />
        <file name="vendor/composer/autoload_static.php" />
        <ignoreFiles>
            <directory name="vendor" />
        </ignoreFiles>
    </projectFiles>
</psalm>