emit (ev, ...args) {
    if (ev === 'data') {
      // Node < 16.7
      this._readableState.dataEmitted = true
    } else if (ev === 'error') {
      // Node < 16
      this._readableState.errorEmitted = true
    }
    return super.emit(ev, ...args)
  }
@see https://w3c.github.io/ServiceWorker/#dfn-request-response-list
@typedef {[any, any][]} requestResponseList