Does the following not work for you?
public class SrmQsQuestionVO implements SrmQsQuestionVO {
Long getRowguid();
void setRowguid(Long rowguid);
java.util.Set<? extends SrmQsQuestionOptionVO> getOptions;
void setOptions(java.util.Set<? extends SrmQsQuestionOptionVO> options);
}
@Entity
@Proxy(proxyClass = SrmQsQuestionVO.class)
public class SrmQsQuestionVOImpl implements SrmQsQuestionVO {
private Long rowguid;
@OneToMany(mappedBy = "question")
private java.util.Set<SrmQsQuestionOptionVOImpl> options;
// Getters and setters omitted
}