@ApiStatus.ScheduledForRemoval
  @Deprecated
  @Contract(pure = true)
  public static @NotNull <T> Collection<T> toCollection(@NotNull Collection<? extends T> iterable) {
    Logger.getInstance(ContainerUtil.class).error("use the argument, Luke");
    //noinspection unchecked
    return (Collection<T>)iterable;
  }
@ApiStatus.ScheduledForRemoval
  @Deprecated
  @Contract(pure = true)
  public static @NotNull <T> Collection<T> toCollection(@NotNull Collection<? extends T> iterable)