text: module.exports = class Message {
      constructor(data) {
          this.data = data
      }
  
      /**
       * For Line platform.
       */
      toLineMessage() {
          return this.data
      }
  
      /**
       * For FB Messenger platform.
       */
      toMessengerMessage() {
          return this.data
      }
  
      /**
       * For Telegram platform.
       */
      toTelegramMessage() {
          return this.data
      }
  }