async def get_chat_member(self, chat_id: typing.Union[base.Integer, base.String],
                              user_id: base.Integer) -> types.ChatMember:
        """
        Use this method to get information about a member of a chat.

        Source: https://core.telegram.org/bots/api#getchatmember

        :param chat_id: Unique identifier for the target chat or username of the target supergroup or channel
        :type chat_id: :obj:`typing.Union[base.Integer, base.String]`
        :param user_id: Unique identifier of the target user
        :type user_id: :obj:`base.Integer`
        :return: Returns a ChatMember object on success
        :rtype: :obj:`types.ChatMember`
        """
        payload = generate_payload(**locals())

        result = await self.request(api.Methods.GET_CHAT_MEMBER, payload)
        return types.ChatMember(**result)
Use this method to get information about a member of a chat.

        Source: https://core.telegram.org/bots/api#getchatmember

        :param chat_id: Unique identifier for the target chat or username of the target supergroup or channel
        :type chat_id: :obj:`typing.Union[base.Integer, base.String]`
        :param user_id: Unique identifier of the target user
        :type user_id: :obj:`base.Integer`
        :return: Returns a ChatMember object on success
        :rtype: :obj:`types.ChatMember`