@Contract(value = " -> new", pure = true)
  @Deprecated
  public static @NotNull <K, V> Map<@NotNull K, V> createWeakMap() {
    return new java.util.WeakHashMap<>();
  }
@Contract(value = " -> new", pure = true)
  @Deprecated
  public static @NotNull <K, V> Map<@NotNull K, V> createWeakMap()