    }

    //! Display a simple dialog box, and wait for the user's response \specialization.
    inline int dialog(const char *const title, const char *const msg,
                      const char *const button1_label, const char *const button2_label,
                      const char *const button3_label, const char *const button4_label,
                      const char *const button5_label, const char *const button6_label,
                      const bool is_centered) {
    }

     
    inline int dialog(const char *const title, const char *const msg,
                      const char *const button1_label, const char *const button2_label,
                      const char *const button3_label, const char *const button4_label,
                      const char *const button5_label, const char *const button6_label,
                      const bool is_centered) {