properties.setProperty(IMPLEMENTATION_CLASSPATH_PROP_KEY, implementationClasspath());
        }

        File outputFile = new File(getOutputDirectory().get().getAsFile(), METADATA_FILE_NAME);
        saveProperties(properties, outputFile);
    }

    private String implementationClasspath() {
        StringBuilder implementationClasspath = new StringBuilder();

}

configurations {
    implementationClasspath {
        extendsFrom implementation
    }
    compileOnlyClasspath {
        extendsFrom compileOnly
    }
}

dependencies {
    implementation 'org.gradle.test:implementation:1.0'
    compileOnly 'org.gradle.test:compileOnly:1.0'
}

task checkImplementation {
    def implementationClasspath = configurations.implementationClasspath

    private final ImmutableList<File> applicationModulepath;
    private final ImmutableList<URL> implementationClasspath;
    public final ImmutableList<URL> implementationModulepath;

    public ForkedTestClasspath(
        ImmutableList<File> applicationClasspath,
        ImmutableList<File> applicationModulepath,
        ImmutableList<URL> implementationClasspath,
        ImmutableList<URL> implementationModulepath
    ) {

        assert !pluginMetadata.text.contains("#")
        def implementationClasspath = GUtil.loadProperties(pluginMetadata).getProperty(IMPLEMENTATION_CLASSPATH_PROP_KEY)
        assert !implementationClasspath.contains("\\")
        def expectedEntries = normaliseFileAndLineSeparators(expected.collect { it.absolutePath }.join(File.pathSeparator))
        assert implementationClasspath == expectedEntries
    }

            if (runAsModule || implementationModulePath == null) {
                outstr.writeInt(implementationClassPath.size());
                for (URL entry : implementationClassPath) {
                    outstr.writeUTF(entry.toString());
                }

        }

        // Read worker implementation classpath
        int classPathLength = instr.readInt();
        URL[] implementationClassPath = new URL[classPathLength];
        for (int i = 0; i < classPathLength; i++) {
            String url = instr.readUTF();
            implementationClassPath[i] = new URL(url);
        }

        ClassLoader implementationClassLoader;
        if (classPathLength > 0) {

        }
    }

    public static ClassPath getClasspath(ClassLoader classLoader) {
        final List<File> implementationClassPath = new ArrayList<File>();
        collectClasspathOf(classLoader, implementationClassPath);
        return DefaultClassPath.of(implementationClassPath);
    }

    public static void collectClasspathOf(ClassLoader classLoader, final Collection<File> classpathFiles) {

        ClassPath implementationClasspath = distribution.getToolingImplementationClasspath(progressLoggerFactory, progressListener, connectionParameters, cancellationToken);
        LOGGER.debug("Using tooling provider classpath: {}", implementationClasspath);
        FilteringClassLoader.Spec filterSpec = new FilteringClassLoader.Spec();

        this.workerProcessBuilder = workerProcessBuilder;
        ClassPath implementationClasspath = ClasspathUtil.getClasspath(workerImplementation.getClassLoader());
        this.outputEventListener = outputEventListener;
        workerProcessBuilder.worker(new WorkerAction(workerImplementation));
        workerProcessBuilder.setImplementationClasspath(implementationClasspath.getAsURLs());
    }

    @Override

    @Override
    WorkerProcessBuilder sharedPackages(String... packages);

    Action<? super WorkerProcessContext> getWorker();

    void setImplementationClasspath(List<URL> implementationClasspath);

    void setImplementationModulePath(List<URL> implementationModulePath);

    void enableJvmMemoryInfoPublishing(boolean shouldPublish);

    void setNativeServicesMode(NativeServicesMode mode);