private static void writeRecordHeader(final int recordTag,
                                        final int fileId,
                                        final @NotNull DataOutputStream appender) throws IOException {
    DataInputOutputUtil.writeINT(appender, recordTag);
    DataInputOutputUtil.writeINT(appender, fileId);
  }
private static void writeRecordHeader(final int recordTag,
                                        final int fileId,
                                        final @NotNull DataOutputStream appender)