class ObjIdConcurrentMap implements /* ConcurrentMap<K, V>, */ Serializable {

  Segment<V> segmentFor(int hash) {
    return segments[(hash >>> segmentShift) & segmentMask];
  }

  public  ObjIdConcurrentMap(int initialCapacity, float loadFactor, int concurrencyLevel);
  public  ObjIdConcurrentMap(int initialCapacity, float loadFactor);
  public  ObjIdConcurrentMap(int initialCapacity);
  public  ObjIdConcurrentMap();

}