new ReleasedVersions(snapshot, rc, versions)
    }

    ReleasedVersion releasedVersion(String version, long date = System.currentTimeMillis()) {
        new ReleasedVersion(version, format.format(new Date(date)))
    }

    ReleasedVersion snapshot(String baseVersion, long date = System.currentTimeMillis()) {
        releasedVersion("${baseVersion}-${format.format(new Date(date))}", date)
    }

    if (future.isDone()) {
      return;
    }
    long timeoutSeconds = timeoutSeconds();
    long deadline = System.nanoTime() + SECONDS.toNanos(timeoutSeconds);
    do {
      System.runFinalization();
      if (future.isDone()) {
        return;
      }
      System.gc();
      try {
        future.get(1L, SECONDS);
        return;
      } catch (CancellationException | ExecutionException ok) {

        long start = System.currentTimeMillis();
        for (int i = 0; i < num; i++) {
            System.out.println("test" + i);
        }
        final long sysout = System.currentTimeMillis() - start;
        start = System.currentTimeMillis();
        for (int i = 0; i < num; i++) {
            logger.fatal("test" + i);
        }
        final long logger = System.currentTimeMillis() - start;

        // update java.io.tmpdir
        final String tempPath = System.getProperty(FESS_TEMP_PATH);
        if (tempPath != null) {
            System.setProperty(JAVA_IO_TMPDIR, tempPath);
        }

        final TomcatBoot tomcatBoot = new FessBoot(getPort(), getContextPath()) //
                .useTldDetect(); // for JSP
        final String varPath = System.getProperty(FESS_VAR_PATH);
        if (varPath != null) {

	Capacity  int64    `xml:"Capacity"`
	Available int64    `xml:"Available"`
	Used      int64    `xml:"Used"`
}

const (
	systemXMLObject   = ".system-d26a9498-cb7c-4a87-a44a-8ae204f5ba6c/system.xml"
	capacityXMLObject = ".system-d26a9498-cb7c-4a87-a44a-8ae204f5ba6c/capacity.xml"
	veeamAgentSubstr  = "APN/1.0 Veeam/1.0"
)

func isVeeamSOSAPIObject(object string) bool {
	switch object {

  cp -r "${TFCI_MACOS_CROSS_COMPILE_SDK_SOURCE}/System/Library/Frameworks/Security.framework" "${TFCI_MACOS_CROSS_COMPILE_SDK_DEST}/System/Library/Frameworks/Security.framework"
  cp -r "${TFCI_MACOS_CROSS_COMPILE_SDK_SOURCE}/System/Library/Frameworks/SystemConfiguration.framework" "${TFCI_MACOS_CROSS_COMPILE_SDK_DEST}/System/Library/Frameworks/SystemConfiguration.framework"

```

> NOTE: if you set any of the following sub-system configuration using ENVs, dynamic behavior is not supported.

### Usage scanner

 */
class Http2FlowControlConnectionListener : ConnectionListener(), FlowControlListener {
  val start = System.currentTimeMillis()

  override fun receivingStreamWindowChanged(
    streamId: Int,
    windowCounter: WindowCounter,
    bufferSize: Long,
  ) {
    println("${System.currentTimeMillis() - start},$streamId,${windowCounter.unacknowledged},$bufferSize")
  }

  }

  fun install() {
    originalSystemOut = System.out
    originalSystemErr = System.err

    System.setOut(object : PrintStream(OutputStream.nullOutputStream()) {})
    System.setErr(object : PrintStream(OutputStream.nullOutputStream()) {})
  }

  fun uninstall() {
    originalSystemOut.let {
      System.setOut(it)
    }
    originalSystemErr.let {
      System.setErr(it)
    }
  }

  @Override public void onMessage(WebSocket webSocket, String text) {
    System.out.println("MESSAGE: " + text);
  }

  @Override public void onMessage(WebSocket webSocket, ByteString bytes) {
    System.out.println("MESSAGE: " + bytes.hex());
  }

  @Override public void onClosing(WebSocket webSocket, int code, String reason) {
    webSocket.close(1000, null);
    System.out.println("CLOSE: " + code + " " + reason);
  }