.withTearDown(parentBuilder.getTearDown())
              .createTestSuite());
    }

    return derived;
  }

  private static Set<Feature<?>> computeInverseFeatures(Set<Feature<?>> mapFeatures) {
    Set<Feature<?>> inverseFeatures = new HashSet<>(mapFeatures);

    boolean nullKeys = inverseFeatures.remove(MapFeature.ALLOWS_NULL_KEYS);

import java.lang.reflect.Field
import java.util.concurrent.atomic.AtomicBoolean

class ToBeFixedSpecInterceptor {

    private final String feature

    ToBeFixedSpecInterceptor(String feature) {
        this.feature = feature
    }

    void intercept(SpecElementInfo specElementInfo, String[] iterationMatchers) {
        if (specElementInfo instanceof SpecInfo) {

      Set<Feature<?>> multimapFeatures) {
    Set<Feature<?>> derivedFeatures = Helpers.copyToSet(multimapFeatures);
    derivedFeatures.remove(CollectionFeature.SERIALIZABLE);
    derivedFeatures.remove(CollectionFeature.SERIALIZABLE_INCLUDING_VIEWS);
    return derivedFeatures;
  }

  private static Set<Feature<?>> computeAsMapFeatures(Set<Feature<?>> multimapFeatures) {
    Set<Feature<?>> derivedFeatures = Helpers.copyToSet(multimapFeatures);

		// we have to parse this from KnownFeatures, because usage of mutable FeatureGate is not allowed in unit tests
		feature := featureGateRegex.FindString(featureText)
		if strings.Contains(featureText, string(featuregate.Alpha)) && feature != "AllAlpha" {
			alphaFeatures.Insert(feature)
		}

	}

	for name, controller := range NewControllerDescriptors() {
		if len(controller.GetAliases()) == 0 {
			continue

  }

  private static Set<Feature<?>> computeReserializedMapFeatures(Set<Feature<?>> mapFeatures) {
    Set<Feature<?>> derivedFeatures = Helpers.copyToSet(mapFeatures);
    derivedFeatures.remove(CollectionFeature.SERIALIZABLE);
    derivedFeatures.remove(CollectionFeature.SERIALIZABLE_INCLUDING_VIEWS);
    return derivedFeatures;
  }

  private static Set<Feature<?>> computeEntrySetFeatures(Set<Feature<?>> mapFeatures) {

 * this feature is able to operate without the presence of the main feature, as long as the user
 * explicitly configures the project by manually creating a main and test source set themselves.
 * In that case, this feature will additionally create the jar and javadoc tasks which the main
 * source set would normally create. Additionally, this extension feature is able to create the

		logger.Info("Skip registration of plugin since feature flag is enabled", "plugin", inTreePluginName, "feature", pluginInfo.pluginUnregisterFeature)
		return plugins, nil
	}
	plugins = append(plugins, pluginInfo.pluginProbeFunction()...)
	return plugins, nil
}

type pluginInfo struct {
	pluginMigrationFeature  featuregate.Feature
	pluginUnregisterFeature featuregate.Feature
	pluginProbeFunction     probeFn
}

        private final String feature;

        public ExplicitDeprecationMessageBuilder(String feature) {
            this.feature = feature;
            setSummary(feature + " has been deprecated.");
        }

        @Override
        DeprecationMessage build() {
            if(problemId == null) {
                setProblemId(createDefaultDeprecationId(feature));
            }

                    capability('org', 'feature-1', '1.0')
                    attribute('org.gradle.usage', 'java-runtime')
                    attribute('org.gradle.libraryelements', 'jar')
                    attribute('org.gradle.category', 'library')
                    artifact('feat1')
                }
                variant('feature2') {
                    capability('org', 'feature-2', '1.0')

    def "toggling feature flag with system property invalidates cache"() {
        given:
        def configurationCache = newConfigurationCacheFixture()

        and: 'feature flag access at configuration time'
        buildFile """
            gradle.services.get($FeatureFlags.name).isEnabled(${FeaturePreviews.name}.Feature.STABLE_CONFIGURATION_CACHE)
            task check {}
        """