@Contract(value = " -> new", pure = true)
  public static @NotNull <V> ConcurrentMap<@NotNull String, @NotNull V> createConcurrentWeakCaseInsensitiveMap() {
    return new ConcurrentWeakHashMap<>(HashingStrategy.caseInsensitive());
  }
@Contract(value = " -> new", pure = true)
  public static @NotNull <V> ConcurrentMap<@NotNull String, @NotNull V> createConcurrentWeakCaseInsensitiveMap()