code: def incoming_copying_manipulators(self):
          
          warnings.warn("Database.incoming_copying_manipulators() is deprecated",
                        DeprecationWarning, stacklevel=2)
  
          return [manipulator.__class__.__name__
                  for manipulator in self.__incoming_copying_manipulators]
docs: **DEPRECATED**: All incoming SON copying manipulators.
  
          .. versionchanged:: 3.5
            Deprecated.
  
          .. versionadded:: 2.0