docs: def join(self):
          """Wait for root state to finish execution"""
          self._root_state.join()
          # execution finished, close execution history log file (if present)
          if len(self._execution_histories) > 0:
              if self._execution_histories[-1].execution_history_storage is not None:
                  set_read_and_writable_for_all = global_config.get_config_value("EXECUTION_LOG_SET_READ_AND_WRITABLE_FOR_ALL", False)
                  self._execution_histories[-1].execution_history_storage.close(set_read_and_writable_for_all)
          from rafcon.core.states.state import StateExecutionStatus
          self._root_state.state_execution_status = StateExecutionStatus.INACTIVE