public static ByteBuffer putDedicatedValueRecordHeader(ByteBuffer buffer,
                                                           int fileId,
                                                           int attributeId) {
      return buffer
        .putInt(-fileId) //negative fileId backref is a sign of dedicated attribute record
        .putInt(attributeId);
    }
public static ByteBuffer putDedicatedValueRecordHeader(ByteBuffer buffer,
                                                           int fileId,
                                                           int attributeId)