} else {
					_, _ = fmt.Fprintf(w, "%v\t%v\t%v\t%v\t%s\t%s\n", c.Name, "-", "-", "-", c.GetType(),
						describeManagement(c.GetMetadata()))
				}
			}
		}
	}
	return w.Flush()
}

// PrintClusterDump prints the relevant clusters in the config dump to the ConfigWriter stdout
func (c *ConfigWriter) PrintClusterDump(filter ClusterFilter, outputFormat string) error {

                }
            }
            return null;
        }

        @Override
        public void close() {
            try {
                writer.flush();
            } catch (final IOException e) {
                // ignore
            }
            CloseableUtil.closeQuietly(writer);

            if (isCommit) {
                try {

            }
            if (!exceptionSet.isEmpty()) {
                throw exceptionSet.iterator().next();
            }
            writer.flush();
            final ExtractData extractData = new ExtractData(writer.toString());
            extractMetadata(document, extractData);
            return extractData;
        } catch (final Exception e) {

                }
            }
            return null;
        }

        @Override
        public void close() {
            try {
                writer.flush();
            } catch (final IOException e) {
                // ignore
            }
            CloseableUtil.closeQuietly(writer);

            if (isCommit) {
                try {

        return "text/plain".toMediaTypeOrNull()
      }

      @Throws(IOException::class)
      override fun writeTo(sink: BufferedSink) {
        try {
          sink.writeUtf8("abc")
          sink.flush()
          Thread.sleep(sleepMillis.toLong())
          sink.writeUtf8("def")
        } catch (e: InterruptedException) {
          throw InterruptedIOException()
        }
      }
    }
  }

                IOException::class,
              )
              override fun writeTo(sink: BufferedSink) {
                for (i in 0..9) {
                  sink.writeByte(0)
                  sink.flush()
                  sleep(100)
                }
                fail("Expected connection to be closed")
              }
            },
        ),
      )
    cancelLater(call, 500)

	}
	if len(istioProxySha) > 0 {
		fmt.Fprintf(tw, "Istio Proxy Version:\t%s\n", istioProxySha)
	}
	if len(envoyVersion) > 0 {
		fmt.Fprintf(tw, "Envoy Version:\t%s\n", envoyVersion)
	}

	return tw.Flush()
}

// PrintPodRootCAFromDynamicSecretDump prints just pod's root ca from dynamic secret config dump to the ConfigWriter stdout
func (c *ConfigWriter) PrintPodRootCAFromDynamicSecretDump() (string, error) {

            if (message == "Produced ClientHello handshake message") {
              random = readClientRandom(parameter)
            }
          }
        }

        override fun flush() {}

        override fun close() {}
      }

    private fun readClientRandom(param: String): String? {
      val matchResult = randomRegex.find(param)

      return if (matchResult != null) {

                result.getArtifacts(),
                result.getManagedVersions(),
                result.getResolutionRepositories());

        cache.put(cacheKey, cacheRecord);
    }

    public void flush() {
        cache.clear();
    }

        final String actualIndex = index + "." + type.toLowerCase(Locale.ENGLISH);
        try {
            final XContentBuilder builder = JsonXContent.contentBuilder().map(source);
            builder.flush();
            client.prepareUpdate().setIndex(actualIndex).setId(id).setDocAsUpsert(true).setDoc(builder).execute()
                    .actionGet(settings.getIndexTimeout());