docs: def get_entity(self):
          """
          Returns the entity converted from the proxied data.
          """
          if self._accessor is None:
              if self.__converted_entity is None:
                  self.__converted_entity = self._convert_to_entity()
          else:
              # If we have an accessor, we can get the proxied entity by ID.
              # FIXME: This is a hack that is only used for REMOVE operations
              #        with data elements.
              self.__converted_entity = \
                  self.get_matching(self.get_id()).get_entity()
          return self.__converted_entity