@Contract(value = "_ -> new", pure = true)
  public static @NotNull <V> ConcurrentLongObjectMap<@NotNull V> createConcurrentLongObjectMap(int initialCapacity) {
    return new ConcurrentLongObjectHashMap<>(initialCapacity);
  }
@Contract(value = "_ -> new", pure = true)
  public static @NotNull <V> ConcurrentLongObjectMap<@NotNull V> createConcurrentLongObjectMap(int initialCapacity)