cdm/src/main/java/ucar/nc2/Sequence.java
@Override
  public ArrayStructure readStructure(int start, int count) throws IOException, ucar.ma2.InvalidRangeException {
    throw new UnsupportedOperationException();
  }
@Override
  public ArrayStructure readStructure(int start, int count) throws IOException, ucar.ma2.InvalidRangeException {
    throw new UnsupportedOperationException();
  }
UnsupportedOperation

@throws UnsupportedOperationException