Method: GET_STRUCT_COMPONENT_IDS
Method: COLLECT_STRUCT_OF_ECN
Method: REGISTER_CHILDREN
Method: SET_CURRENT
Method: GET_COUNT
Method: EXPLODE
Method: REMOVE
Method: MOVE
Method: CREATE_HIERARCHY_FOR_ROOT
Method: ADD
Method: GET_LEVEL_IN_HIERARCHY
Method: PG_RESULT_LIST_INIT
Method: COLLECT
Method: IF_CFX_HIERARCHY_ELEMENT~READ_CHILDREN
Method: PG_ITEM_LIST_INIT
Method: PG_ITEM_LIST_HANDLE_EVENTS