this.jdk = targetRuntime;
        return this;
    }

    public JavaVersion getSourceLanguageLevel() {
        return sourceLanguageLevel;
    }

    public JavaVersion getTargetBytecodeVersion() {
        return targetBytecodeVersion;
    }

    public DefaultInstalledJdk getJdk() {
        return jdk;
    }

     * @throws UnsupportedMethodException For Gradle versions older than 2.11, where this method is not supported.
     * @since 2.11
     */
    JavaVersion getTargetBytecodeVersion() throws UnsupportedMethodException;

    /**
     * Returns the JDK used for building.
     *
     * @return The JDK. Never returns {@code null}.

     * @throws UnsupportedMethodException For provider Gradle versions older than 2.11, where this method is not supported.
     */
    JavaVersion getTargetBytecodeVersion() throws UnsupportedMethodException;

    /**
     * Returns the JDK used for building.
     *
     * @return The JDK, or {@code null} if this value should be inherited.

     */
    public @Nullable IdeaLanguageLevel getRawLanguageLevel() {
        return languageLevel;
    }

    /**
     * Returns the user-defined value for the {@link #getTargetBytecodeVersion()} without triggering
     * the convention computation that is not compatible with Isolated Projects.
     */
    public @Nullable JavaVersion getRawTargetBytecodeVersion() {
        return targetBytecodeVersion;

        this.jdk = jdk;
        return this;
    }

    public JavaVersion getLanguageLevel() {
        return languageLevel;
    }

    public JavaVersion getTargetBytecodeVersion() {
        return targetBytecodeVersion;
    }

    public DefaultInstalledJdk getJdk() {
        return jdk;
    }

        JavaVersion projectSourceLanguageLevel = IdeaModuleBuilderSupport.convertToJavaVersion(projectModel.getLanguageLevel());
        JavaVersion projectTargetBytecodeLevel = projectModel.getTargetBytecodeVersion();

        DefaultIdeaProject out = new DefaultIdeaProject()
            .setName(projectModel.getName())
            .setJdkName(projectModel.getJdkName())

     */
    @Nullable
    public IdeaLanguageLevel getRawLanguageLevel() {
        return languageLevel;
    }

    /**
     * Returns the user-defined value for the {@link #getTargetBytecodeVersion()} without triggering
     * the convention computation that is not compatible with Isolated Projects.
     */
    @Nullable
    public JavaVersion getRawTargetBytecodeVersion() {

     * <p>
     * When {@code languageLevel} is not explicitly set, this is calculated as the maximum target bytecode version for the Idea modules of this Idea project.
     */
    public JavaVersion getTargetBytecodeVersion() {
        return targetBytecodeVersion;
    }

    public void setTargetBytecodeVersion(JavaVersion targetBytecodeVersion) {
        this.targetBytecodeVersion = targetBytecodeVersion;
    }

            Node moduleNode = findFirstWithAttributeValue(bytecodeLevelModules, "name", module.getName());
            JavaVersion moduleBytecodeVersionOverwrite = module.getTargetBytecodeVersion();
            if (moduleBytecodeVersionOverwrite == null) {
                if (moduleNode != null) {
                    bytecodeLevelConfiguration.remove(moduleNode);
                }
            } else {

            return true;
        }

        IdeaProject ideaProject = ideaModelFor(rootProject).getProject();
        return !moduleTargetBytecodeLevel.equals(ideaProject.getTargetBytecodeVersion());
    }

    private static boolean includeModuleLanguageLevelOverride(Project rootProject, IdeaLanguageLevel moduleLanguageLevel) {
        if (!rootProject.getPlugins().hasPlugin(IdeaPlugin.class)) {