Method: CONSTRUCTOR
Method: FIND_TBO
Method: FIND_OPEN_PCOS_BY_PROJECT_KEY
Method: FIND_OPEN_TBO_BY_SUBID
Method: FIND_OPEN_TBO_BY_SUBID_LEGENT
Method: /TDAG/IF_WFF_PERSISTABLE_TBO~SET_SPECIFIC_DATA_TO_PERSIST
Method: /TDAG/IF_WFF_PERSISTABLE_TBO~GET_SPECIFIC_DATA_TO_PERSIST
Method: SET_STATUS