private JavaVersion sourceLanguageLevel;
    private JavaVersion targetBytecodeVersion;
    private DefaultInstalledJdk jdk;

    public DefaultEclipseJavaSourceSettings setSourceLanguageLevel(JavaVersion sourceLanguageLevel) {
        this.sourceLanguageLevel = sourceLanguageLevel;
        return this;
    }

    private JavaVersion languageLevel;
    private JavaVersion targetBytecodeVersion;
    private DefaultInstalledJdk jdk;

    public DefaultIdeaJavaLanguageSettings setSourceLanguageLevel(JavaVersion languageLevel) {
        this.languageLevel = languageLevel;
        return this;
    }

    public DefaultIdeaJavaLanguageSettings setTargetBytecodeVersion(JavaVersion targetBytecodeVersion) {

            .setLanguageLevel(new DefaultIdeaLanguageLevel(projectModel.getLanguageLevel().getLevel()))
            .setJavaLanguageSettings(new DefaultIdeaJavaLanguageSettings()
                .setSourceLanguageLevel(projectSourceLanguageLevel)
                .setTargetBytecodeVersion(projectTargetBytecodeLevel)
                .setJdk(DefaultInstalledJdk.current()));