public static void close(@Nullable Closeable closeable, boolean swallowIOException)
      throws IOException {
    if (closeable == null) {
      return;
    }
    try {
      closeable.close();
    } catch (IOException e) {
      if (swallowIOException) {
        logger.log(Level.WARNING, "IOException thrown while closing Closeable.", e);
      } else {
        throw e;
      }
    }
  }

  /**

	sum := r.md5.Sum(nil)
	return ETag(sum)
}

// VerifyError is an error signaling that a
// computed ETag does not match an expected
// ETag.
type VerifyError struct {
	Expected ETag
	Computed ETag
}

func (v VerifyError) Error() string {
	return fmt.Sprintf("etag: expected ETag %q does not match computed ETag %q", v.Expected, v.Computed)
}

// UUIDHash - use uuid to make md5sum
type UUIDHash struct {

        CompletableFuture<Void> future = CompletableFuture.runAsync(() -> {
            handleLeaseBreak(key, newState);
        });

        try {
            future.get(timeoutSeconds, TimeUnit.SECONDS);
        } catch (TimeoutException e) {
            // Force lease release if break handling times out
            LeaseEntry entry = leases.get(key);
            if (entry != null) {

                docBuilder.build(doc)
                return doc
            } catch (ClassDocGenerationException e) {
                throw e
            } catch (Exception e) {
                throw new ClassDocGenerationException("Could not load the class documentation for class '$className'.", e)
            }
        } finally {

    try {
      assertEquals(
          "getOrDefault(null, def) should return default or throw",
          v3(),
          getMap().getOrDefault(null, v3()));
    } catch (NullPointerException tolerated) {
    }
  }

  @MapFeature.Require(ALLOWS_NULL_KEYS)
  @CollectionSize.Require(absent = ZERO)
  public void testGetOrDefault_nonNullWhenNullContained() {
    initMapWithNullKey();

        fail("Expected IllegalStateException");
      } catch (IllegalStateException expected) {
      }
      try {
        actualStats.populationVariance();
        fail("Expected IllegalStateException");
      } catch (IllegalStateException expected) {
      }
      try {
        actualStats.min();
        fail("Expected IllegalStateException");
      } catch (IllegalStateException expected) {
      }
      try {

                } catch (NumberFormatException e) {
                    throw new XmlPullParserException(e.getMessage(), parser, e);
                }
            } else {
                try {
                    DateFormat dateParser = new java.text.SimpleDateFormat(effectiveDateFormat, java.util.Locale.US);
                    return dateParser.parse(s);
                } catch (java.text.ParseException e) {

     *
     * @param configId the configuration ID to analyze
     * @return the ConfigType (WEB, FILE, or DATA) or null if the config ID is invalid or doesn't match any known type
     */
    public ConfigType getConfigType(final String configId) {
        if (configId == null || configId.length() < 2) {
            return null;
        }

          v0(),
          getMap().putIfAbsent(k0(), v0()));
    } catch (UnsupportedOperationException tolerated) {
    }
    expectUnchanged();
  }

  @MapFeature.Require(absent = SUPPORTS_PUT)
  @CollectionSize.Require(absent = ZERO)
  public void testPutIfAbsent_unsupportedPresentDifferentValue() {
    try {
      getMap().putIfAbsent(k0(), v3());
    } catch (UnsupportedOperationException tolerated) {
    }

  public void testRemove_unsupportedNotPresent() {
    try {
      assertNull(
          "remove(notPresent) should return null or throw UnsupportedOperationException",
          getMap().remove(k3()));
    } catch (UnsupportedOperationException tolerated) {
    }
    expectUnchanged();
    expectMissing(e3());
  }

  @MapFeature.Require(value = SUPPORTS_REMOVE, absent = ALLOWS_NULL_KEY_QUERIES)