docs: function abort() {
      this.aborted = true;
      this.responseText = null;
      this.errorFlag = true;
      this.requestHeaders = {};
  
      this.dispatchEvent(new _Event("abort", false, false, this));
  
      if (this.readyState > FakeXMLHttpRequest.UNSENT && this.sendFlag) {
        this._readyStateChange(FakeXMLHttpRequest.UNSENT);
        this.sendFlag = false;
      }
  
      if (typeof this.onerror === "function") {
        this.onerror();
      }
    }