}
    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) {

                        logger.warn("No data: {}", accessResult.getUrl());
                        continue;
                    }

                    if (Constants.FALSE.equals(map.get(Constants.INDEXING_TARGET))) {
                        if (logger.isDebugEnabled()) {
                            logger.debug("Skipped. This document is not a index target. ");
                        }

			}
			addedIPSnapshot = append(addedIPSnapshot, addedIps...)
		}

	}
	return pruneHostIPset(sets.New(addedIPSnapshot...), &s.hostsideProbeIPSet)
}

// addPodToHostNSIpset:
// 1. get pod manifest
// 2. Get all pod ips (might be several, v6/v4)
// 3. update ipsets accordingly
// 4. return the ones we added successfully, and errors for any we couldn't (dupes)
//

			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)

 *
 * Like other fluent types, there are three types of methods present: methods for <i>acquiring</i>,
 * <i>chaining</i>, and <i>using</i>.
 *
 * <h4>Acquiring</h4>
 *
 * <p>The common ways to get an instance of {@code Ordering} are:
 *
 * <ul>
 *   <li>Subclass it and implement {@link #compare} instead of implementing {@link Comparator}
 *       directly

            dataMap.put(key, value);
        } else {
            final Object oldValue = dataMap.get(key);
            final Object[] oldValues;
            if (oldValue instanceof Object[]) {
                oldValues = (Object[]) oldValue;
            } else if (oldValue instanceof Collection<?>) {

  }

  @Override
  public @Nullable K floorKey(K key) {
    return delegate.floorKey(checkValid(key));
  }

  @Override
  public @Nullable V get(Object key) {
    return delegate.get(checkValid(key));
  }

  @Override
  public SortedMap<K, V> headMap(K toKey) {
    return headMap(toKey, false);
  }

  @Override