* that the output is generated in a stable order rather than in an order based on the order that implementations
     * are discovered.
     */
    String getId();

    /**
     * Notifies the build user of whatever problems have been collected. May report problems to the console, or generate a report

import org.gradle.nativeplatform.fixtures.AbstractInstalledToolChainIntegrationSpec
import org.gradle.nativeplatform.fixtures.app.CppCompilerDetectingTestApp

/**
 * Test that each available tool chain can be discovered and used without configuration, assuming it is in the path.
 */
class NativeToolChainDiscoveryIntegrationTest extends AbstractInstalledToolChainIntegrationSpec {

    def helloWorldApp = new CppCompilerDetectingTestApp()

import kotlin.reflect.full.memberFunctions


/**
 * Provides type discovery via functions that return an object or configure an object accepting a lambda as the last parameter
 * (via [org.gradle.api.Action] or a Kotlin function type, see [gradleConfigureLambdas]).
 *
 * All configured or returned types that appear in [isPublicAndRestricted]-matching will be discovered (for now, regardless of actual function semantics).
 */
internal

        registry.register(barRegistration)
        def foo = registry.atStateOrLater(fooReference.path, ModelNode.State.Discovered)

        then:
        !foo.promise.canBeViewedAs(ModelType.of(String))
        foo.promise.canBeViewedAs(ModelType.of(List))

        registry.realize(fooReference.path, fooReference.type).is(fooList)

  // Value: Information we know about that Value.
  // Note that these Value's are in general in different functions.
  DenseMap<Value, ResourceInfo> resource_infos_;
  // The set of regions we already discovered.
  DenseSet<Region*> discovered_;
  // Identifiers about mutable variables.
  // All variables are identified by (device, container, shared_name).
  DenseSet<std::tuple<llvm::StringRef, llvm::StringRef, llvm::StringRef>>

 * One notable exception is the computation of the early {@code session.rootDirectory}
 * property which happens very early.  The implementation used in this case
 * will be discovered using the JDK service mechanism.
 *
 * The default implementation will look for a {@code .mvn} child directory
 * or a {@code pom.xml} containing the {@code root="true"} attribute.
 *
 * @see DefaultRootLocator
 */

        then:
        NoSuchMethodException e = thrown()
        e.message == /Could not find method unknown() on JavaMethodTestSubjectSubclass./
    }

    def "default methods are discovered"() {
        expect:
        JavaMethod.of(JavaMethodTestSubjectSubclass, String, "defaultMethod").invoke(new JavaMethodTestSubjectSubclass()) == "parent-interface"
    }

        collection.visitDependencies(Stub(TaskDependencyResolveContext))

        then:
        registry.state("tasks.redundant") == ModelNode.State.Discovered
    }

    def "realize is idempotent"() {
        given:
        ModelRegistryHelper registry = new ModelRegistryHelper()
        ModelPath path = ModelPath.path("tasks")

 * One notable exception is the computation of the early {@code session.rootDirectory}
 * property which happens very early.  The implementation used in this case
 * will be discovered using the JDK service mechanism.
 *
 * The default implementation will look for a {@code .mvn} child directory
 * or a {@code pom.xml} containing the {@code root="true"} attribute.
 */
public interface RootLocator {

    @Nullable
    String findCallerForCurrentCallIfNotIntercepted(String callableName, CallKind kind);

    /**
     * Matches the current thread's innermost instrumented call as intercepted, after which it cannot be discovered with
     * {@link InstrumentedGroovyCallsTracker#findCallerForCurrentCallIfNotIntercepted}.
     *