@ApiStatus.Internal
  public static FileAttribute instantiateForRecovery(@NonNls @NotNull String id, int version, boolean fixedSize) {
    // shouldEnumerate is not used yet
    return new FileAttribute(version, fixedSize, id, false); // do not register the instance
  }
@ApiStatus.Internal
  public static FileAttribute instantiateForRecovery(@NonNls @NotNull String id, int version, boolean fixedSize)