Method clone

packages/common/http/src/params.ts:314–319

(update: Update | Update[])

  }

  private clone(update: Update | Update[]): HttpParams {
    const clone = new HttpParams({encoder: this.encoder} as HttpParamsOptions);
    clone.cloneFrom = this.cloneFrom || this;
    clone.updates = (this.updates || []).concat(update);
    return clone;
  }

  private init() {
    if (this.map === null) {