builder.js

export default class BodyBuilder {
  constructor() {
    this.result = [];
  }

  appendGetMessageList(options, name = '#0') {
    this.append('getMessageList', options, name);
    return this;
  }

  appendGetMessages(options, name = '#0') {
    this.append('getMessages', options, name);
    return this;
  }
  
  append(method, options, name) {
    this.result.push([method, options, name]);
  }

  getBody() {
    return this.result;
  }
}