@Contract(pure = true)
  public static @NotNull <T> Set<@NotNull T> createConcurrentSet(int initialCapacity, @NotNull HashingStrategy<? super T> hashStrategy) {
    return Collections.newSetFromMap(createConcurrentMap(initialCapacity, 0.75f, 16, hashStrategy));
  }
@Contract(pure = true)
  public static @NotNull <T> Set<@NotNull T> createConcurrentSet(int initialCapacity, @NotNull HashingStrategy<? super T> hashStrategy)