Method: CONSTRUCTOR
Method: RESET_HANDLER_ON_SAVE_REQ
Method: ON_SAVE_REQUESTED
Method: SET_HANDLER_ON_SAVE_REQ
Method: IF_MEDIUM_CONTAINER_PPF~SAVE_CONTAINER
Method: SETM_HANDLER_FOR_SAVE
Method: SET_EVENTHANDLER
Method: GET_EVENTHANDLER
Method: GET_EVENT_HANDLER
Method: SET_EVENT_HANDLER