code: function (chunk, encoding) {
          if (this._interceptCheck()) {
            if(!this._interceptBuffer) {
              debug('initializing _interceptBuffer');
              this._interceptBuffer = new WritableStream();
            }
  
            return this._interceptBuffer.write(chunk, encoding);
          }
  
          return this._super.apply(this, arguments);
        }
docs: Write into the buffer if this request is intercepted