public static boolean isUserDataFlagSet(@NotNull Key<Boolean> key, UserDataHolder... holders) {
    for (UserDataHolder holder : holders) {
      if (holder == null) continue;
      Boolean data = holder.getUserData(key);
      if (data != null) return data;
    }
    return false;
  }
public static boolean isUserDataFlagSet(@NotNull Key<Boolean> key, UserDataHolder... holders)