Method: DEL_PREDECESSORS
Method: SET_PREDECESSORS
Method: GET_PREDECESSORS
Method: IMPORT_OBJECT_TYPE
Method: IMPORT_SW_COMP
Method: OTYPD_EXT_2_INT
Method: IF_ESH_OM_CALLBACK~CHECK_DUPLICATE_KEY
Method: GET_OTYPD
Method: CHECK_OTYPD_CONSISTENCY
Method: OTYPD_INT_2_EXT
Method: CHECK_OTYPD_IN