docs: def memory(self):
          """Property to provide reference to `MemoryCollection` instance
  
          It is calculated once when the first time it is queried. On refresh,
          this property gets reset.
          """
          return memory.MemoryCollection(
              self._conn, utils.get_subresource_path_by(self, 'Memory'),
              redfish_version=self.redfish_version)