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