psalm.xml

<?xml version="1.0"?>
<psalm
        totallyTyped="true"
        resolveFromConfigFile="true"
        allowPhpStormGenerics="true"
        ignoreInternalFunctionNullReturn="false"
        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="src" />
        <ignoreFiles>
            <directory name="vendor/" />
            <directory name="tests/" />
        </ignoreFiles>
    </projectFiles>

    <issueHandlers>
        <LessSpecificReturnType errorLevel="error" />
        <DeprecatedMethod errorLevel="error" />
        <DeprecatedProperty errorLevel="error" />
        <DeprecatedClass errorLevel="error" />
        <DeprecatedConstant errorLevel="error" />
        <DeprecatedFunction errorLevel="error" />
        <DeprecatedInterface errorLevel="error" />
        <DeprecatedTrait errorLevel="error" />
        <InternalMethod errorLevel="error" />
        <InternalProperty errorLevel="error" />
        <InternalClass errorLevel="error" />
        <MissingClosureReturnType errorLevel="error" />
        <MissingReturnType errorLevel="error" />
        <MissingPropertyType errorLevel="error" />
        <InvalidDocblock errorLevel="error" />
        <PropertyNotSetInConstructor errorLevel="error" />
        <MissingConstructor errorLevel="error" />
        <MissingClosureParamType errorLevel="error" />
        <MissingParamType errorLevel="error" />
        <RedundantCondition errorLevel="error" />
        <DocblockTypeContradiction errorLevel="error" />
        <RedundantConditionGivenDocblockType errorLevel="error" />
        <UnresolvableInclude errorLevel="error" />
        <RawObjectIteration errorLevel="error" />
        <InvalidStringClass errorLevel="error" />
    </issueHandlers>
</psalm>