exportChatInviteLink(chatId, form = {}) {
    form.chat_id = chatId;
    return this._request('exportChatInviteLink', { form });
  }
Use this method to generate a new primary invite link for a chat. **Any previously generated primary link is revoked**.

The bot **must be an administrator in the chat** for this to work and must have the appropriate administrator rights.

@param {Number|String} chatId Unique identifier for the target chat or username of the target channel (in the format `@channelusername`)
@param {Object} [options] Additional Telegram query options
@return {Promise} Exported invite link as String on success.
@see https://core.telegram.org/bots/api#exportchatinvitelink