import org.gradle.internal.service.scopes.ServiceScope;

import javax.annotation.Nullable;

/**
 * A registry of dynamically loadable modules.
 */
@ServiceScope(Scope.Global.class)
public interface ModuleRegistry {
    /**
     * Locates an external module by name. An external module is one for which there is no meta-data available. Assumed to be packaged as a single jar file, and to have no runtime dependencies.
     *

    private final ModuleRegistry moduleRegistry;
    private final ClassDetectorFactory classDetectorFactory;

    public ForkedTestClasspathFactory(ModuleRegistry moduleRegistry) {
        this(moduleRegistry, ClassLoadingClassDetector::new);
    }

    @VisibleForTesting
    public ForkedTestClasspathFactory(ModuleRegistry moduleRegistry, ClassDetectorFactory classDetectorFactory) {

        "gradle-unit-test-fixtures"
    );

    private final ModuleRegistry moduleRegistry;
    private final PluginModuleRegistry pluginModuleRegistry;

    private ClassPath gradleApi;

    public DependencyClassPathProvider(ModuleRegistry moduleRegistry, PluginModuleRegistry pluginModuleRegistry) {
        this.moduleRegistry = moduleRegistry;
        this.pluginModuleRegistry = pluginModuleRegistry;
    }

    private final ModuleRegistry moduleRegistry;
    private final ClassPathToClassLoaderCache classLoaderCache;
    private final GroovySystemLoader gradleApiGroovyLoader;
    private final GroovySystemLoader antAdapterGroovyLoader;

    public DefaultIsolatedAntBuilder(ClassPathRegistry classPathRegistry, ClassLoaderFactory classLoaderFactory, ModuleRegistry moduleRegistry) {
        this.classPathRegistry = classPathRegistry;

package org.gradle.api.internal;

import org.gradle.api.internal.classpath.ModuleRegistry;
import org.gradle.internal.classpath.ClassPath;

public class DefaultClassPathProvider implements ClassPathProvider {
    private final ModuleRegistry moduleRegistry;

    public DefaultClassPathProvider(ModuleRegistry moduleRegistry) {
        this.moduleRegistry = moduleRegistry;
    }

    @Override

        "groovy-xml",
        "asm"
    };

    public WorkerProcessClassPathProvider(GlobalScopedCacheBuilderFactory cacheBuilderFactory, ModuleRegistry moduleRegistry) {
        this.cacheBuilderFactory = cacheBuilderFactory;
        this.moduleRegistry = moduleRegistry;
    }

    @Override
    public ClassPath findClassPath(String name) {
        if (name.equals("WORKER_MAIN")) {
            synchronized (lock) {

            "plugin2-runtime"
        ]

        and:
        1 * moduleRegistry.getModule("gradle-worker-main") >> module("gradle-worker-main")
        1 * moduleRegistry.getModule("gradle-launcher") >> module("gradle-launcher", module("gradle-cli"))
        1 * moduleRegistry.getModule("gradle-workers") >> module("gradle-workers")
        1 * moduleRegistry.getModule("gradle-dependency-management") >> module("gradle-dependency-management")

public class DynamicModulesClassPathProvider implements ClassPathProvider {
    private final ModuleRegistry moduleRegistry;
    private final PluginModuleRegistry pluginModuleRegistry;
    private final JavaVersion javaVersion;

    public DynamicModulesClassPathProvider(ModuleRegistry moduleRegistry, PluginModuleRegistry pluginModuleRegistry) {
        this(moduleRegistry, pluginModuleRegistry, JavaVersion.current());
    }

    @VisibleForTesting

        ]

        and:
        1 * moduleRegistry.getModule("gradle-core") >> module("gradle-core", module("gradle-cli"))
        1 * moduleRegistry.getModule("gradle-workers") >> module("gradle-workers")
        1 * moduleRegistry.getModule("gradle-dependency-management") >> module("gradle-dependency-management")
        1 * moduleRegistry.getModule("gradle-plugin-use") >> module("gradle-plugin-use")

        WorkerLeaseService workerLeaseService, int maxWorkerCount,
        Clock clock, DocumentationRegistry documentationRegistry, DefaultTestFilter testFilter
    ) {
        this.workerFactory = workerFactory;
        this.actorFactory = actorFactory;
        this.testClasspathFactory = new ForkedTestClasspathFactory(moduleRegistry);