def __create_navigator(self, main_root):
		navigator_dir = os.path.join(main_root, 'navigator')
		safe_mkdir(navigator_dir)

		navigators = self.__config_mgr.navigator()
		self.__navigator_mgr.create_navigators(navigators, navigator_dir)
def _read_flow(self, file_name):
        # Return the flow or a tuple with the flow and the valid_flow_mask if _has_builtin_flow_mask is True
        pass