Method: GET_STRUCT_COMPONENT_IDS
Method: COLLECT_STRUCT_OF_ECN
Method: GET_LAST
Method: GET_FIRST
Method: GET_COUNT
Method: REMOVE
Method: CREATE_HIERARCHY_FOR_ROOT
Method: REGISTER_CHILDREN
Method: SET_CURRENT
Method: GET_CURRENT
Method: MOVE
Method: ADD
Method: REMOVE_ALL
Method: IS_DONE
Method: EXPLODE
Method: GET_NEXT
Method: GET_LEVEL_IN_HIERARCHY
Method: GET_ALL
Method: GET_PREVIOUS
Method: PG_RESULT_LIST_INIT
Method: COLLECT
Method: PG_ITEM_LIST_INIT
Method: PG_ITEM_LIST_HANDLE_EVENTS