HarmonyOS 函数方法 多个参数的时候 如何可以选择性传参

参考下面的demo

interface aParma1 {
  success?: () => void,
  error?: () => void,
  showLoad?: boolean,
  needLoading?: boolean,
}

class defaultParams {
  success?: () => void;
  error?: () => void;
  showLoad?: boolean;
  needLoading?: boolean;

  constructor(params: aParma1) {
    this.success = params.success || (() => {
    });
    this.error = params.error || (() => {
    });
    this.showLoad = params.showLoad || false;
    this.needLoading = params.needLoading || false;
  }
}

@Entry
@Component
struct Page5 {
  @State message: string = 'Hello World';

  aaaa(params: defaultParams): void {
    console.info('params', JSON.stringify(params))
  }

  build() {
    Column() {
      Button().onClick(() => {
        let params: defaultParams = new defaultParams({
          needLoading: true
        })
        this.aaaa(params)
      })
    }
  }
}