Method: DETERMINE_EXPL_REL_VARS
Method: GET_SEQUENCE
Method: SET_SEQUENCE_VARIABLES
Method: CONSTRUCTOR
Method: CONSISTENCY_CHECK
Method: REMOVE_VARIABLES
Method: GET_INTERFACE
Method: CHECK_EXPL_REL_VARS
Method: EXECUTE_BASIC_RULES
Method: RET_VARIABLES_BASIC_RULE_TYPE
Method: SET_SEQUENCE
Method: EXECUTE
Method: INSTANTIATE_RULE
Method: CHECK_ATTR_NORM_RULE
Method: INSTANTIATE_RULES
Method: CREATE_EXEC_PLAN