if err != nil {
				return err
			}

			if len(outputMsgs) == 0 {
				message := " No issues found when checking the cluster. Istio is safe to install or upgrade!"
				message += "\n  To get started, check out https://istio.io/latest/docs/setup/getting-started/."
				_, _ = fmt.Fprintln(cmd.ErrOrStderr(), color.New(color.FgGreen).Sprint("✔")+message)
			} else {
				_, _ = fmt.Fprintln(cmd.OutOrStdout(), output)

	if t.Failed() {
		return
	}
	// Loop, waiting for goroutines to shut down.
	// Wait up to 5 seconds, but finish as quickly as possible.
	deadline := UTCNow().Add(leakDetectDeadline * time.Second)
	for {
		// get sack snapshot of relevant go routines.
		leaked := initialSnapShot.CompareCurrentSnapshot()
		// current stack snapshot matches the initial one, no leaks, return.
		if len(leaked) == 0 {
			return
		}

## What is Bit Rot protection?

Bit Rot, also known as data rot or silent data corruption is a data loss issue faced by disk drives today. Data on the drive may silently get corrupted without signaling an error has occurred, making bit rot more dangerous than a permanent hard drive failure.

          @Override
          public int size() {
            return list.size();
          }

          @Override
          public String get(int index) {
            if (index < 2) {
              throw new AssertionError();
            }
            return list.get(index);
          }
        };

    EvictingQueue<String> queue = EvictingQueue.create(3);
    assertTrue(queue.addAll(misbehavingList));

    }
    expectUnchanged();
  }

  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_KEYS})
  public void testPutAll_nullKeySupported() {
    putAll(containsNullKey);
    expectAdded(containsNullKey.get(0));
  }

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_KEYS)
  public void testPutAll_nullKeyUnsupported() {
    assertThrows(NullPointerException.class, () -> putAll(containsNullKey));

  }

  public void testReadFirstLine() throws IOException {
    if (expectedLines.isEmpty()) {
      assertNull(source.readFirstLine());
    } else {
      assertEquals(expectedLines.get(0), source.readFirstLine());
    }
  }

  public void testReadLines_toList() throws IOException {
    assertExpectedLines(source.readLines());
  }

  public void testIsEmpty() throws IOException {

        };
    List<String> result = Resources.readLines(resource, US_ASCII, collectAndLowercaseAndTrim);
    assertEquals(3600, result.size());
    assertEquals("ALICE'S ADVENTURES IN WONDERLAND", result.get(0));
    assertEquals("THE END", result.get(result.size() - 1));
  }

  public void testCopyToOutputStream() throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();

            final XPathNodes nodeList = getXPathAPI().selectNodeList(document, targetNodePath);
            for (int i = 0; i < nodeList.size(); i++) {
                final Node node = nodeList.get(i);
                buf.append(node.getTextContent()).append(' ');
            }
            return new ExtractData(buf.toString().replaceAll("\\s+", " ").trim());
        } catch (final Exception e) {

		if err != nil {
			return nil, osErrToFileErr(err)
		}
	}
	defer syscall.Close(fd)

	bufp := direntPool.Get().(*[]byte)
	defer direntPool.Put(bufp)
	buf := *bufp

	nameTmp := direntNamePool.Get().(*[]byte)
	defer direntNamePool.Put(nameTmp)
	tmp := *nameTmp

	boff := 0 // starting read position in buf
	nbuf := 0 // end valid data in buf

        this.repositorySystemProvider = requireNonNull(repositorySystemProvider);
    }

    @PreDestroy
    public void shutdown() {
        repositorySystemProvider.get().shutdown();
    }