async def click(self):
        """
        Emulates the behaviour of clicking this button.

        If it's a normal :tl:`KeyboardButton` with text, a message will be
        sent, and the sent `telethon.tl.custom.message.Message` returned.

        If it's an inline :tl:`KeyboardButtonCallback` with text and data,
        it will be "clicked" and the :tl:`BotCallbackAnswer` returned.

        If it's an inline :tl:`KeyboardButtonSwitchInline` button, the
        :tl:`StartBotRequest` will be invoked and the resulting updates
        returned.

        If it's a :tl:`KeyboardButtonUrl`, the URL of the button will
        be passed to ``webbrowser.open`` and return ``True`` on success.
        """
        if isinstance(self.button, types.KeyboardButton):
            return await self._client.send_message(
                self._chat, self.button.text, reply_to=self._msg_id)
        elif isinstance(self.button, types.KeyboardButtonCallback):
            req = functions.messages.GetBotCallbackAnswerRequest(
                peer=self._chat, msg_id=self._msg_id, data=self.button.data
            )
            try:
                return await self._client(req)
            except BotTimeout:
                return None
        elif isinstance(self.button, types.KeyboardButtonSwitchInline):
            return await self._client(functions.messages.StartBotRequest(
                bot=self._bot, peer=self._chat, start_param=self.button.query
            ))
        elif isinstance(self.button, types.KeyboardButtonUrl):
            return webbrowser.open(self.button.url)
        elif isinstance(self.button, types.KeyboardButtonGame):
            req = functions.messages.GetBotCallbackAnswerRequest(
                peer=self._chat, msg_id=self._msg_id, game=True
            )
            try:
                return await self._client(req)
            except BotTimeout:
                return None
Emulates the behaviour of clicking this button.

        If it's a normal :tl:`KeyboardButton` with text, a message will be
        sent, and the sent `telethon.tl.custom.message.Message` returned.

        If it's an inline :tl:`KeyboardButtonCallback` with text and data,
        it will be "clicked" and the :tl:`BotCallbackAnswer` returned.

        If it's an inline :tl:`KeyboardButtonSwitchInline` button, the
        :tl:`StartBotRequest` will be invoked and the resulting updates
        returned.

        If it's a :tl:`KeyboardButtonUrl`, the URL of the button will
        be passed to ``webbrowser.open`` and return ``True`` on success.