}

    @Override
    public GradleInternal getGradle() {
        return gradle;
    }

    @Override
    public List<IncludedBuildSpec> getIncludedBuilds() {
        return includedBuildSpecs;
    }

    @Override
    public Settings getSettings() {
        return this;
    }

    @Override
    public ScriptHandler getBuildscript() {

        }
        return children;
    }

    private List<Path> calculateIncludedBuildIdentityPaths() {
        Collection<? extends IncludedBuildState> includedBuilds = getBuildStateRegistry().getIncludedBuilds();
        List<Path> includedBuildIdentityPaths = new ArrayList<>(includedBuilds.size());
        for (IncludedBuildState includedBuild : includedBuilds) {

        }
        throw new IllegalStateException("No built-in tasks available.");
    }

    private BuildState findIncludedBuild(File rootDir) {
        for (IncludedBuildState build : buildRegistry.getIncludedBuilds()) {
            if (build.getRootDirectory().equals(rootDir)) {
                return build;
            }
        }
        return null;
    }

            includedBuild = registerBuild(buildDefinition, true, null);
        }
        return includedBuild;
    }

    @Override
    public Collection<IncludedBuildState> getIncludedBuilds() {
        return includedBuildsByRootDir.values();
    }

    @Override
    public IncludedBuildState getIncludedBuild(BuildIdentifier buildIdentifier) {

    override fun useLogger(logger: Any) =
        delegate.useLogger(logger)

    override fun getSharedServices(): BuildServiceRegistry =
        delegate.sharedServices

    override fun getIncludedBuilds(): MutableCollection<IncludedBuild> =
        delegate.includedBuilds

    override fun includedBuild(name: String): IncludedBuild =
        delegate.includedBuild(name)

     * @since 6.1
     */
    BuildServiceRegistry getSharedServices();

    /**
     * Returns the included builds for this build.
     *
     * @since 3.1
     */
    Collection<IncludedBuild> getIncludedBuilds();

    /**
     * Returns the included build with the specified name for this build.
     *
     * @throws UnknownDomainObjectException when there is no build with the given name
     * @since 3.1
     */

The included builds are accessed using link:{groovyDslPath}/org.gradle.api.invocation.Gradle.html#org.gradle.api.invocation.Gradle:includedBuilds[Gradle.getIncludedBuilds()] or link:{groovyDslPath}/org.gradle.api.invocation.Gradle.html#org.gradle.api.invocation.Gradle:includedBuild(java.lang.String)[Gradle.includedBuild(java.lang.String)], and a task reference is obtained via the link:{groovyDslPath}/org.grad...

        return this;
    }

    @Override
    @Inject
    public abstract BuildServiceRegistry getSharedServices();

    @Override
    public Collection<IncludedBuild> getIncludedBuilds() {
        return Cast.uncheckedCast(includedBuilds());
    }

    @Override
    public void setIncludedBuilds(Collection<? extends IncludedBuildInternal> includedBuilds) {

            nullableFileSerializer.write(encoder, startParameter.getProjectCacheDir());
            fileListSerializer.write(encoder, startParameter.getIncludedBuilds());

            // Other stuff
            NO_NULL_STRING_MAP_SERIALIZER.write(encoder, startParameter.getProjectProperties());

        includedBuilds.add(includedBuild);
    }

    public void setIncludedBuilds(List<File> includedBuilds) {
        this.includedBuilds = includedBuilds;
    }

    public List<File> getIncludedBuilds() {
        return Collections.unmodifiableList(includedBuilds);
    }

    /**
     * Returns true if build scan should be created.
     *
     * @since 3.4
     */