Method: CONSTRUCTOR
Method: IF_USMD_GUIBB_FORM~GET_DATA
Method: HAS_MODEL
Method: HAS_FIELDNAME
Method: GET_EVENT_ID
Method: GET_ACTION
Method: GET_FFIX_TAB
Method: GET_MODEL_TYPE
Method: HAS_FFIX_VAR_FIELDNAME
Method: GET_USMD_MODEL
Method: GET_FIELDNAME