Ignore RedundantCondition for method_exists($class, 'isReadOnly') - #15

src/TextUI/Configuration/SourceMapper.php:93:22: InvalidArgument: Argument 1 of SplObjectStorage::offsetSet expects never, but PHPUnit\TextUI\Configuration\Source provided (see https://psalm.dev/004)

src/TextUI/Configuration/SourceMapper.php:36:33: InvalidArgument: Argument 1 of SplObjectStorage::offsetGet expects never, but PHPUnit\TextUI\Configuration\Source provided (see https://psalm.dev/004)

src/TextUI/Configuration/SourceMapper.php:35:32: InvalidArgument: Argument 1 of SplObjectStorage::offsetGet expects never, but PHPUnit\TextUI\Configuration\Source provided (see https://psalm.dev/004)

src/Event/Value/Test/TestMethod.php:146:41: ImpureMethodCall: Cannot call a possibly-mutating method PHPUnit\Event\TestData\TestDataCollection::dataFromDataProvider from a mutation-free context (see https://psalm.dev/203)

src/Event/Value/Test/TestMethod.php:142:31: ImpureMethodCall: Cannot call a possibly-mutating method PHPUnit\Event\TestData\TestDataCollection::hasDataFromDataProvider from a mutation-free context (see https://psalm.dev/203)

src/Event/Value/Test/TestMethod.php:119:47: ImpureMethodCall: Cannot call a possibly-mutating method PHPUnit\Event\TestData\TestDataCollection::dataFromDataProvider from a mutation-free context (see https://psalm.dev/203)

src/Event/Value/Test/TestMethod.php:118:32: ImpureMethodCall: Cannot call a possibly-mutating method PHPUnit\Event\TestData\TestDataCollection::hasDataFromDataProvider from a mutation-free context (see https://psalm.dev/203)

src/Event/Value/Telemetry/MemoryUsage.php:38:22: ImpureMethodCall: Cannot call a possibly-mutating method from a mutation-free context (see https://psalm.dev/203)

src/Event/Value/Telemetry/HRTime.php:77:26: ImpureMethodCall: Cannot call a possibly-mutating method from a mutation-free context (see https://psalm.dev/203)

src/Event/Value/Runtime/PHP.php:55:13: ImpureFunctionCall: Cannot call an impure function from a mutation-free context (see https://psalm.dev/202)

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v3. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/