long remainingNanos = unit.toNanos(timeout);
      long end = System.nanoTime() + remainingNanos;

      while (true) {
        try {
          // CountDownLatch treats negative timeouts just like zero.
          return latch.await(remainingNanos, NANOSECONDS);
        } catch (InterruptedException e) {
          interrupted = true;
          remainingNanos = end - System.nanoTime();
        }
      }
    } finally {

    int strCopyLen = len;
    int pos = 0;
    while (count != 0) {
      if ((count & 1) != 0) {
        System.arraycopy(strCopy, 0, array, pos, strCopyLen);
        pos += strCopyLen;
      }
      count >>= 1;
      if (count != 0) {
        System.arraycopy(strCopy, 0, strCopy, strCopyLen, strCopyLen);
        strCopyLen <<= 1;
      }
    }
    return new String(array);
  }

        try {
            parser.parseArgument(args);
        } catch (final CmdLineException e) {
            System.err.println(e.getMessage());
            System.err.println("java " + ThumbnailGenerator.class.getCanonicalName() + " [options...] arguments...");
            parser.printUsage(System.err);
            return;
        }

        if (logger.isDebugEnabled()) {
            try {

        String ver, pkgs;

        ver = System.getProperty( "java.version" );
        if( ver.startsWith( "1.1." ) || ver.startsWith( "1.2." )) {
             throw new RuntimeException( "jcifs.smb1-0.7.0b4+ requires Java 1.3 or above. You are running " + ver );
        }
        pkgs = System.getProperty( "java.protocol.handler.pkgs" );
        if( pkgs == null ) {
            System.setProperty( "java.protocol.handler.pkgs", "jcifs.smb1" );

//                      System.out.print('l');
                    } else if (r < 1.0) {
                        InputStream in = f.getInputStream();
                        while (in.read(buf) > 0) {
//                          System.out.print('r');
                        }
                        in.close();
                    }
                } catch (IOException ioe) {
                    System.err.println(ioe.getMessage());

			namespace:     "kube-system",
			wantPodName:   "istio-ingressgateway-8d9697654-qdzgh",
			wantNamespace: "kube-system",
		},
		{
			proxyName:     "istio-security-post-install-1.2.2-bm9w2.istio-system",
			namespace:     "istio-system",
			wantPodName:   "istio-security-post-install-1.2.2-bm9w2",
			wantNamespace: "istio-system",
		},
		{
			proxyName:     "istio-security-post-install-1.2.2-bm9w2.istio-system",
			namespace:     "",

	cli := kube.NewFakeClient()
	messages := diag.Messages{}

	zipkinSvc := &corev1.Service{
		ObjectMeta: metav1.ObjectMeta{
			Name:      "zipkin",
			Namespace: "istio-system",
		},
	}
	cli.Kube().CoreV1().Services("istio-system").Create(context.Background(), zipkinSvc, metav1.CreateOptions{})

	err := checkTracing(cli, &messages)
	assert.NoError(t, err)
	assert.Equal(t, 1, len(messages))

```

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

### Usage scanner

labels.crawling_info_WebFsCrawlExecTime=Crawl exec time (Web/File system)
labels.crawling_info_WebFsCrawlStartTime=Crawl start time (Web/File system)
labels.crawling_info_WebFsCrawlEndTime=Crawl end time (Web/File system)
labels.crawling_info_WebFsIndexExecTime=Indexing exec time (Web/File system)
labels.crawling_info_WebFsIndexSize=Index size (Web/File system)
labels.crawling_info_DataCrawlExecTime=Crawl exec time (Data store)

        final List<String> list = newArrayList();
        list.add("aaa");
        list.add("bbb");
        list.add("ccc");
        for (final Indexed<String> indexed : indexed(list)) {
            System.out.println(indexed.getIndex());
            System.out.println(indexed.getElement());
        }
    }

    /**
     * @throws Exception
     */
    @Test
    public void testForEachLineIterator() throws Exception {