psalm.xml

<?xml version="1.0"?>
<psalm
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="https://getpsalm.org/schema/config"
    xsi:schemaLocation="https://getpsalm.org/schema/config file:///composer/vendor/vimeo/psalm/config.xsd"
    errorLevel="1"
>
    <projectFiles>
        <directory name="src" />
        <ignoreFiles>
            <directory name="vendor" />
        </ignoreFiles>
    </projectFiles>

    <issueHandlers>
        <UnnecessaryVarAnnotation>
            <errorLevel type="info">
                <file name="src/Types/ContextFactory.php"/>
            </errorLevel>
        </UnnecessaryVarAnnotation>
        <UnusedMethodCall>
            <errorLevel type="suppress">
                <referencedMethod name="phpDocumentor\Reflection\Types\AggregatedType::add"/>
            </errorLevel>
        </UnusedMethodCall>
        <DocblockTypeContradiction>
            <errorLevel type="info">
                <!-- ArrayIterator::current can return null if iterated even if ArrayIterator::valid isn't checked before -->
                <file name="src/TypeResolver.php"/>
                <!-- Not sure what's going on. I don't think it's possible to have false here -->
                <file name="src/Types/ContextFactory.php"/>
            </errorLevel>
        </DocblockTypeContradiction>
        
        <RedundantConditionGivenDocblockType>
            <errorLevel type="info">
                <!-- ArrayIterator::current can return null if iterated even if ArrayIterator::valid isn't checked before -->
                <file name="src/TypeResolver.php"/>
            </errorLevel>
        </RedundantConditionGivenDocblockType>

        <InvalidArgument>
            <errorLevel type="suppress">
                <referencedFunction name="PHPStan\PhpDocParser\Lexer\Lexer::__construct"/>
                <referencedFunction name="PHPStan\PhpDocParser\Parser\ConstExprParser::__construct"/>
                <referencedFunction name="PHPStan\PhpDocParser\Parser\TypeParser::__construct"/>
            </errorLevel>
        </InvalidArgument>

        <UndefinedDocblockClass>
            <errorLevel type="suppress">
                <referencedClass name="PHPStan\PhpDocParser\ParserConfig"/>
            </errorLevel>
        </UndefinedDocblockClass>

        <MixedArgument>
            <errorLevel type="suppress">
                <referencedFunction name="PHPStan\PhpDocParser\Lexer\Lexer::__construct"/>
                <referencedFunction name="PHPStan\PhpDocParser\Parser\ConstExprParser::__construct"/>
                <referencedFunction name="PHPStan\PhpDocParser\Parser\TypeParser::__construct"/>
            </errorLevel>
        </MixedArgument>
    </issueHandlers>
</psalm>