pushText(text, actions = []) {
    if (!text) return this;
    const message = new TextMessage({
      type: MESSAGE_TYPE_TEXT,
      text: convertText(text),
    });
    message.setQuickReply(actions);
    this.messages.push(message);
    return this;
  }
@param {string} text
@param {Array<Command>} actions
@returns {Context}