public AppendOnlyLogFactory failFileIfIncompatible() {
    return new AppendOnlyLogFactory(
      pageSize, ensureDataVersion, expectedDataVersion, failInsteadOfRecovery,
      /* eagerlyCheckFileCompatibility: */ true,
      /* cleanFileIfIncompatible:       */ false
    );
  }
public AppendOnlyLogFactory failFileIfIncompatible()