docs: def copy_meta_data_from_state_m(self, source_state_m):
          """Dismiss current meta data and copy meta data from given state model
  
          In addition to the state model method, also the meta data of container states is copied. Then, the meta data
          of child states are recursively copied.
  
          :param source_state_m: State model to load the meta data from
          """
          for scoped_variable_m in self.scoped_variables:
              source_scoped_variable_m = source_state_m.get_scoped_variable_m(
                  scoped_variable_m.scoped_variable.data_port_id)
              scoped_variable_m.meta = deepcopy(source_scoped_variable_m.meta)
  
          for transition_m in self.transitions:
              source_transition_m = source_state_m.get_transition_m(transition_m.transition.transition_id)
              transition_m.meta = deepcopy(source_transition_m.meta)
  
          for data_flow_m in self.data_flows:
              source_data_flow_m = source_state_m.get_data_flow_m(data_flow_m.data_flow.data_flow_id)
              data_flow_m.meta = deepcopy(source_data_flow_m.meta)
  
          for state_key, state in self.states.items():
              state.copy_meta_data_from_state_m(source_state_m.states[state_key])
  
          super(ContainerStateModel, self).copy_meta_data_from_state_m(source_state_m)