.createTestSuite());

    return suite;
  }

  public void testCreation_noArgs() {
    Multiset<String> multiset = ImmutableSortedMultiset.of();
    assertTrue(multiset.isEmpty());
  }

  public void testCreation_oneElement() {
    Multiset<String> multiset = ImmutableSortedMultiset.of("a");
    assertEquals(HashMultiset.create(asList("a")), multiset);
  }

    return true;
  }

  /** Returns {@code true} if this range set contains no ranges. */
  boolean isEmpty();

  /**
   * Returns the minimal range which {@linkplain Range#encloses(Range) encloses} all ranges in this
   * range set.
   *
   * @throws NoSuchElementException if this range set is {@linkplain #isEmpty() empty}
   */
  Range<C> span();

  // Views

  /**

            }
        }
        if (matches.isEmpty() && matchingJavaSerialization.isEmpty()) {
            throw new IllegalArgumentException(String.format("Don't know how to serialize objects of type %s.", baseType.getName()));
        }
        if (matches.size() == 1 && matchingJavaSerialization.isEmpty()) {

    this.ticker = firstNonNull(builder.ticker, Ticker.systemTicker());
  }

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

  @Override
  public boolean isEmpty() {
    return cachingHashMap.isEmpty();
  }

  @Override
  public V get(Object key) {
    checkNotNull(key);
    Timestamped<V> value = cachingHashMap.get(key);

    if (value == null) {
      statsCounter.recordMisses(1);

                    }

                    final ViewHelper viewHelper = ComponentUtil.getViewHelper();
                    if (viewHelper != null && !docMap.isEmpty()) {
                        docMap.put(fessConfig.getResponseFieldContentTitle(), viewHelper.getContentTitle(docMap));

        }
    }

    @Override
    public <T> boolean hasListeners(Class<T> listenerClass) {
        EventBroadcast<T> broadcaster = getBroadcasterInternal(listenerClass);
        return !broadcaster.listeners.isEmpty();
    }

    @Override
    public <T> T getBroadcaster(Class<T> listenerClass) {
        assertCanBroadcast(listenerClass);
        return getBroadcasterInternal(listenerClass).getBroadcaster();
    }

    Collection<V> valueCollection = map.values();
    Set<Entry<K, V>> entrySet = map.entrySet();

    assertEquals(map.size() == 0, map.isEmpty());
    assertEquals(map.size(), keySet.size());
    assertEquals(keySet.size() == 0, keySet.isEmpty());
    assertEquals(!keySet.isEmpty(), keySet.iterator().hasNext());

    int expectedKeySetHash = 0;
    for (K key : keySet) {
      V value = map.get(key);

      public boolean contains(@CheckForNull Object element) {
        return multiset1.contains(element) || multiset2.contains(element);
      }

      @Override
      public boolean isEmpty() {
        return multiset1.isEmpty() && multiset2.isEmpty();
      }

      @Override
      public int count(@CheckForNull Object element) {
        return Math.max(multiset1.count(element), multiset2.count(element));
      }

            }

            String relativeFilePath = fileChange.getNormalizedPath();
            Set<String> changedClasses = sourceFileClassNameConverter.getClassNames(relativeFilePath);
            if (changedClasses.isEmpty() && !isIncrementalOnResourceChanges(current)) {
                spec.setFullRebuildCause(rebuildClauseForChangedNonSourceFile(fileChange));
            }
            sourceFileChangeProcessor.processChange(changedClasses, spec);

  }

  private static boolean isEmpty(Iterable<?> iterable) {
    return iterable instanceof Collection
        ? ((Collection<?>) iterable).isEmpty()
        : !iterable.iterator().hasNext();
  }

  public static void assertEmpty(Iterable<?> iterable) {
    if (!isEmpty(iterable)) {
      fail("Not true that " + iterable + " is empty");
    }
  }