StandaloneDataIO Node1 StandaloneDataIO + prepare_folder_for _output() + build_filename() + build_filename() + save_constants_to_folder() + save_event_to_folder() + save_cell_state_to _folder() + save_cell_info_to_folder() + save_clusters_to_folder() + load_folder_filter() + load_folder() # report_error() # create_or_check_folder()