Method: GET_CHANGED_ITEMS
Method: SET_OBJECT_BOX_TO_BUFFER
Method: COPY_SUBTREE
Method: CONSTRUCTOR
Method: GET_DELETED_ITEMS
Method: MOVE_OBJECT
Method: GET_OBJECT_FROM_BUFFER
Method: POST_CHANGED_DATA
Method: DELETE_OBJ_FROM_BUFFER
Method: GET_NODE_OBJECTS
Method: IF_EX_WRF_GENERIC_HIER_I~GET_DEFAULT_TREE_OBJECT
Method: GET_MAINTENANCE_GROUP