editMessageCaption(caption, form = {}) {
    form.caption = caption;
    return this._request('editMessageCaption', { form });
  }
Use this method to edit captions of messages sent by the bot or via the bot (for inline bots).

Note: You **must provide one of chat_id, message_id, or inline_message_id** in your request.

@param {String} caption  New caption of the message
@param {Object} [options] Additional Telegram query options (provide either one of chat_id, message_id, or inline_message_id here)
@return {Promise} On success, if the edited message is not an inline message, the edited [Message](https://core.telegram.org/bots/api#message) is returned, otherwise True is returned
@see https://core.telegram.org/bots/api#editmessagecaption