private static OutputStream getXContentOutputStream(final Map<String, Object> firstLineMap) throws IOException {
        try (XContentBuilder builder = JsonXContent.contentBuilder().map(firstLineMap)) {
            builder.flush();
            return builder.getOutputStream();
        }
    }

    /**
     * Creates a default ReadingConverter with a chain of converters.

        if (log.isTraceEnabled()) {
            log.trace(req.toString());
            log.trace(Hexdump.toHexString(this.sbuf, 4, n));
        }

        this.out.write(this.sbuf, 0, 4 + n);
        this.out.flush();
        log.trace("Wrote negotiate request");
        return n;
    }

    /**
     * @throws SocketException
     * @throws IOException
     */

    connection.connect()
    val out = connection.outputStream
    val data = ByteArray(1024 * 1024)
    var i = 0
    while (i < 1024) {
      try {
        out!!.write(data)
        out.flush()
        if (i == 513) {
          // pause slightly after half way to make result more predictable
          Thread.sleep(100)
        }
      } catch (e: IOException) {
        break
      }
      i++

            final BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(dfos, enc));
            out.accept(writer);
            writer.flush();

            if (!dfos.isInMemory()) {
                tempFile = dfos.getFile();
            }

            try (Reader reader = new InputStreamReader(getContentStream(dfos), enc)) {

# CL 134210043 archive/zip: add Writer.Flush, Brad Fitzpatrick <******@****.***>
pkg archive/zip, method (*Writer) Flush() error

# CL 97140043 compress/flate: add Reset() to allow reusing large buffers to compress multiple buffers, James Robinson <******@****.***>
pkg compress/flate, type Resetter interface { Reset }
pkg compress/flate, type Resetter interface, Reset(io.Reader, []uint8) error
pkg compress/zlib, type Resetter interface { Reset }

                    } else {
                        list.add(value.toString());
                    }
                }
            });
            csvWriter.flush();
        } catch (final IOException e) {
            logger.warn("Failed to write a crawling session info.", e);
        }
    }

    /**

	var buffer bytes.Buffer
	encoder := msgp.NewWriter(&buffer)
	for _, version := range versions {
		version.EncodeMsg(encoder)
	}
	storageLogIf(ctx, encoder.Flush())

	errs = make([]error, len(versions))

	respBody, err := client.call(ctx, storageRESTMethodDeleteVersions, values, &buffer, -1)
	defer xhttp.DrainBody(respBody)
	if err != nil {
		if contextCanceled(ctx) {

HSPLokhttp3/internal/http2/Http2Writer;->close()V
HSPLokhttp3/internal/http2/Http2Writer;->data(ZILokio/Buffer;I)V
HSPLokhttp3/internal/http2/Http2Writer;->flush()V
HSPLokhttp3/internal/http2/Http2Writer;->frameHeader(IIII)V
HSPLokhttp3/internal/http2/Http2Writer;->goAway(ILokhttp3/internal/http2/ErrorCode;[B)V
HSPLokhttp3/internal/http2/Http2Writer;->headers(ZILjava/util/List;)V

### Other notable changes

* Fix unintended change of Service.spec.ports[].nodePort during kubectl apply ([#24180](https://github.com/kubernetes/kubernetes/pull/24180), [@AdoHe](https://github.com/AdoHe))
* Flush conntrack state for removed/changed UDP Services ([#22573](https://github.com/kubernetes/kubernetes/pull/22573), [@freehan](https://github.com/freehan))

                if (LogStream.level >= 6) {
                    Hexdump.hexdump(log, sbuf, 4, n);
                }
            }

            out.write(sbuf, 0, 4 + n);
            out.flush();
            /* Note the Transport thread isn't running yet so we can
             * read from the socket here.
             */
            if (peekKey() == null) { /* try to read header */