def ms_bot_framework(self) -> list:
        """Returns list of MS Bot Framework compatible states of the
        RichMessage instance nested controls.

        Returns:
            ms_bf_controls: MS Bot Framework representation of RichMessage instance
                nested controls.
        """
        ms_bf_controls = [control.ms_bot_framework() for control in self.controls]
        return ms_bf_controls
Returns list of MS Bot Framework compatible states of the
        RichMessage instance nested controls.

        Returns:
            ms_bf_controls: MS Bot Framework representation of RichMessage instance
                nested controls.