Method cancel

out/cli.cjs:11911–11919

* If the reader is active, behaves the same as ReadableStream.cancel | stream.cancel(reason).

(reason = void 0)

         * If the reader is active, behaves the same as {@link ReadableStream.cancel | stream.cancel(reason)}.
         */
        cancel(reason = void 0) {
          if (!IsReadableStreamBYOBReader(this)) {
            return promiseRejectedWith(byobReaderBrandCheckException("cancel"));
          }
          if (this._ownerReadableStream === void 0) {
            return promiseRejectedWith(readerLockException("cancel"));
          }
          return ReadableStreamReaderGenericCancel(this, reason);
        }
        read(view, rawOptions = {}) {
          if (!IsReadableStreamBYOBReader(this)) {
            return promiseRejectedWith(byobReaderBrandCheckException("read"));