@Test
  fun staticTableIndexedHeaders() {
    hpackWriter!!.writeHeaders(headerEntries(":method", "GET"))
    assertBytes(0x82)
    assertThat(hpackWriter!!.headerCount).isEqualTo(0)
    hpackWriter!!.writeHeaders(headerEntries(":method", "POST"))
    assertBytes(0x83)
    assertThat(hpackWriter!!.headerCount).isEqualTo(0)
    hpackWriter!!.writeHeaders(headerEntries(":path", "/"))
    assertBytes(0x84)

			// If the object ETag matches with the specified ETag.
			writeHeaders()
			writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrPreconditionFailed), r.URL)
			return true
		}
	}

	etagMatch := opts.PreserveETag != "" && isETagEqual(objInfo.ETag, opts.PreserveETag)
	vidMatch := opts.VersionID != "" && opts.VersionID == objInfo.VersionID
	if etagMatch && vidMatch {
		writeHeaders()

            try (ServletOutputStream out = response.getOutputStream(); InputStream in = curlResponse.getContentAsStream()) {
                response.setStatus(curlResponse.getHttpStatusCode());
                writeHeaders(response);
                final String responseContentType = curlResponse.getHeaderValue("Content-Type");
                if (StringUtil.isBlank(responseContentType)) {

        } else {
            enc = encoding;
        }
        buf.append(enc);
        final HttpServletResponse response = LaResponseUtil.getResponse();
        response.setContentType(buf.toString());
        writeHeaders(response);
        try (PrintWriter out = new PrintWriter(new OutputStreamWriter(response.getOutputStream(), enc))) {
            out.print(text);
        } catch (final IOException e) {

	return blobBody
}

// WriteHeader - writes http status code
func (lrw *ResponseRecorder) WriteHeader(code int) {
	if !lrw.headersLogged {
		lrw.ttfbHeader = time.Now().UTC().Sub(lrw.StartTime)
		lrw.StatusCode = code
		lrw.writeHeaders(&lrw.headers, code, lrw.Header())
		lrw.headersLogged = true
		lrw.ResponseWriter.WriteHeader(code)
	}
}

// Flush - Calls the underlying Flush.

    socket.sleepWhileOpen(response.trailersDelayNanos)
    if ("chunked".equals(response.headers["Transfer-Encoding"], ignoreCase = true)) {
      writeHeaders(socket.sink, response.trailers)
    }
  }

  @Throws(IOException::class)
  private fun writeHeaders(
    sink: BufferedSink,
    headers: Headers,
  ) {
    for ((name, value) in headers) {
      sink.writeUtf8(name)
      sink.writeUtf8(": ")

   * @param flushHeaders true to force flush the response headers. This should be true unless the
   *     response body exists and will be written immediately.
   */
  @Throws(IOException::class)
  fun writeHeaders(
    responseHeaders: List<Header>,
    outFinished: Boolean,
    flushHeaders: Boolean,
  ) {
    assertLockNotHeld()

    var flushHeaders = flushHeaders
    withLock {

            if (!used.contains(vq)) {
                groupedQueries.add(vq);
            }
        }
        return groupedQueries.toArray(new String[0]);
    }

    @Override
    protected void writeHeaders(final HttpServletResponse response) {
        ComponentUtil.getFessConfig().getApiJsonResponseHeaderList().forEach(e -> response.setHeader(e.getFirst(), e.getSecond()));
    }

       *
       * http://tools.ietf.org/html/draft-ietf-httpbis-header-compression-12#section-6.2.3
       */
      @Throws(IOException::class)
      fun writeHeaders(headerBlock: List<Header>) {
        if (emitDynamicTableSizeUpdate) {
          if (smallestHeaderTableSizeSetting < maxDynamicTableByteCount) {
            // Multiple dynamic table size updates!

      }
    }

    if (flushHeaders) {
      writer.flush()
    }

    return stream
  }

  @Throws(IOException::class)
  internal fun writeHeaders(
    streamId: Int,
    outFinished: Boolean,
    alternating: List<Header>,
  ) {
    writer.headers(outFinished, streamId, alternating)
  }

  /**