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

    <plugins>
        <pluginClass class="Psalm\LaravelPlugin\Plugin"/>
    </plugins>

    <issueHandlers>
        <LessSpecificReturnType errorLevel="info"/>

        <!-- level 3 issues - slightly lazy code writing, but provably low false-negatives -->

        <DeprecatedMethod errorLevel="info"/>
        <DeprecatedProperty errorLevel="info"/>
        <DeprecatedClass errorLevel="info"/>
        <DeprecatedConstant errorLevel="info"/>
        <DeprecatedInterface errorLevel="info"/>
        <DeprecatedTrait errorLevel="info"/>

        <InternalMethod errorLevel="info"/>
        <InternalProperty errorLevel="info"/>
        <InternalClass errorLevel="info"/>

        <MissingClosureReturnType errorLevel="info"/>
        <MissingReturnType errorLevel="info"/>
        <MissingPropertyType errorLevel="info"/>
        <InvalidDocblock errorLevel="info"/>

        <PropertyNotSetInConstructor errorLevel="info"/>
        <MissingConstructor errorLevel="info"/>
        <MissingClosureParamType errorLevel="info"/>
        <MissingParamType errorLevel="info"/>

        <RedundantCondition errorLevel="info"/>

        <DocblockTypeContradiction errorLevel="info"/>
        <RedundantConditionGivenDocblockType errorLevel="info"/>

        <UnresolvableInclude errorLevel="info"/>

        <RawObjectIteration errorLevel="info"/>

        <InvalidStringClass errorLevel="info"/>

        <NoInterfaceProperties>
            <errorLevel type="suppress">
                <file name="src/Services/Webauthn/CreationOptionsFactory.php"/>
            </errorLevel>
        </NoInterfaceProperties>

    </issueHandlers>
</psalm>