code: def toProtocolElement(self):
          
          readGroupSet = protocol.ReadGroupSet()
          readGroupSet.id = self.getId()
          readGroupSet.read_groups.extend(
              [readGroup.toProtocolElement()
               for readGroup in self.getReadGroups()]
          )
          readGroupSet.name = self.getLocalId()
          readGroupSet.dataset_id = self.getParentContainer().getId()
          readGroupSet.stats.CopyFrom(self.getStats())
          self.serializeAttributes(readGroupSet)
          return readGroupSet
docs: Returns the GA4GH protocol representation of this ReadGroupSet.