ObjectCountHashMap() {
    init(DEFAULT_SIZE, DEFAULT_LOAD_FACTOR);
  }

  ObjectCountHashMap(ObjectCountHashMap<? extends K> map) {
    init(map.size(), DEFAULT_LOAD_FACTOR);
    for (int i = map.firstIndex(); i != -1; i = map.nextIndex(i)) {
      put(map.getKey(i), map.getValue(i));
    }
  }

  /**
   * Constructs a new instance of {@code ObjectCountHashMap} with the specified capacity.
   *

        ObjectCountHashMap<? extends E> backingMap = tryGetMap(multiset);
        if (backingMap != null) {
          contents.ensureCapacity(Math.max(contents.size(), backingMap.size()));
          for (int i = backingMap.firstIndex(); i >= 0; i = backingMap.nextIndex(i)) {
            addCopies(backingMap.getKey(i), backingMap.getValue(i));
          }
        } else {
          Set<? extends Entry<? extends E>> entries = multiset.entrySet();