if w == nil || w.closer == nil {
		return nil
	}
	w.streamWg.Wait()
	err := w.closer()
	w.closer = nil
	return err
}

// Reset and start writing to new writer.
// Close must have been called before this.
func (w *metacacheWriter) Reset(out io.Writer) {
	w.streamErr = nil
	w.creator = func() error {
		s2w := s2.NewWriter(out, s2.WriterBlockSize(w.blockSize), s2.WriterConcurrency(2))

		b, err := iter.MarshalJSON()
		return sql.FromBytes(b), err
	}
	return nil, fmt.Errorf("iterToValue: unknown JSON type: %s", iter.Type().String())
}

// Reset the record.
func (r *Record) Reset() {
	r.object = simdjson.Object{}
}

// Clone the record and if possible use the destination provided.
func (r *Record) Clone(dst sql.Record) sql.Record {
	other, ok := dst.(*Record)
	if !ok {

async def set_up_request_state_dependency():
    request_state = {"user": "deadpond"}
    contextvar_token = legacy_request_state_context_var.set(request_state)
    yield request_state
    legacy_request_state_context_var.reset(contextvar_token)


@app.middleware("http")
async def custom_middleware(
    request: Request, call_next: Callable[[Request], Awaitable[Response]]
):
    response = await call_next(request)

    /**
     * {@link InputStream}をリセットします。
     *
     * @param is
     *            入力ストリーム。{@literal null}であってはいけません
     * @see InputStream#reset()
     */
    public static void reset(final InputStream is) {
        assertArgumentNotNull("is", is);

        try {
            is.reset();
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

      finished_execute_.wait(l);
    }
    if (TF_GetCode(status_.get()) != TF_OK) {
      TF_SetStatus(status, TF_GetCode(status_.get()),
                   TF_Message(status_.get()));
      // Reset the member `status_` so future op executions (after recovery from
      // the bad `status`) start with an OK status.
      TF_SetStatus(status_.get(), TF_OK, "");
    }
    cancellation_manager_ = nullptr;

    }

    private static BufferedInputStream reset(StreamSupplier inputSupplier, BufferedInputStream bis) throws IOException {
        try {
            bis.reset();
            return bis;
        } catch (IOException e) {
            return new BufferedInputStream(inputSupplier.open(), BUFFER_SIZE);
        }
    }

    b.limit(limit);
  }

  static void mark(Buffer b) {
    b.mark();
  }

  static void position(Buffer b, int position) {
    b.position(position);
  }

  static void reset(Buffer b) {
    b.reset();
  }

  private Java8Compatibility() {}

            if (preloadDate.indexOf("<urlset") >= 0) {
                // XML Sitemaps
                bis.reset();
                return parseXmlSitemaps(bis);
            }
            if (preloadDate.indexOf("<sitemapindex") >= 0) {
                // XML Sitemaps Index
                bis.reset();
                return parseXmlSitemapsIndex(bis);
            }

    b.limit(limit);
  }

  static void mark(Buffer b) {
    b.mark();
  }

  static void position(Buffer b, int position) {
    b.position(position);
  }

  static void reset(Buffer b) {
    b.reset();
  }

  private Java8Compatibility() {}

	if buf.Len() > m {
		t.Log("WARNING: TestEncodeDecodeBatchJobPrefix Msgsize() is inaccurate")
	}

	vn := BatchJobPrefix{}
	err := msgp.Decode(&buf, &vn)
	if err != nil {
		t.Error(err)
	}

	buf.Reset()
	msgp.Encode(&buf, &v)
	err = msgp.NewReader(&buf).Skip()
	if err != nil {
		t.Error(err)
	}
}

func BenchmarkEncodeBatchJobPrefix(b *testing.B) {
	v := BatchJobPrefix{}
	var buf bytes.Buffer