docs: def processIqRegistry(self, entity):
          """
          :type entity: IqProtocolEntity
          """
          if entity.getTag() == "iq":
              iq_id = entity.getId()
              if iq_id in self.iqRegistry:
                  originalIq, successClbk, errorClbk = self.iqRegistry[iq_id]
                  del self.iqRegistry[iq_id]
  
                  if entity.getType() == IqProtocolEntity.TYPE_RESULT and successClbk:
                      successClbk(entity, originalIq)
                  elif entity.getType() == IqProtocolEntity.TYPE_ERROR and errorClbk:
                      errorClbk(entity, originalIq)
                  return True
  
          return False