private void setLongHeaderField(final @HeaderOffset int headerRelativeOffsetBytes,
                                  final long headerValue) {
    checkHeaderOffset(headerRelativeOffsetBytes);
    LONG_HANDLE.setVolatile(records, headerRelativeOffsetBytes, headerValue);
    markDirty();
  }
private void setLongHeaderField(final @HeaderOffset int headerRelativeOffsetBytes,
                                  final long headerValue)