public void releaseNotes(Action<? super ReleaseNotes> action) {
        action.execute(releaseNotes);
    }

    public UserManual getUserManual() {
        return userManual;
    }

    public void userManual(Action<? super UserManual> action) {
        action.execute(userManual);
    }

    public DslReference getDslReference() {
        return dslReference;
    }