Method: SELECT_CHILDS_INTO_BUFFER
Method: DELETE_NODE_FROM_BUFFER
Method: CONSTRUCTOR
Method: GET_DELETED_ITEMS
Method: UPDATE_CHANGE_LIST
Method: DELETE_OBJ_FROM_BUFFER
Method: SET_HIERARCHY
Method: SET_OBJECT_TO_BUFFER
Method: GET_CHANGED_ITEMS
Method: GET_NODE_OBJECTS
Method: POST_CHANGED_DATA
Method: SELECT_ITEMS_WITH_OBJ_NAME