getSegment method
Implementation
int getSegment(
  IStatus status,
  int bufferLength,
  Pointer<Uint8> buffer,
  Pointer<UnsignedInt> segmentLength,
) {
  final res = _getSegment(
    self,
    status.self,
    bufferLength,
    buffer,
    segmentLength,
  );
  status.checkStatus();
  return res;
}