Method: GET_DELETED_ITEMS
Method: COPY_SUBTREE
Method: POST_CHANGED_DATA
Method: SET_NODE_TEXT
Method: CONSTRUCTOR
Method: DELETE_NODE_FROM_BUFFER
Method: GET_CHANGED_ITEMS
Method: SET_NODE_TEXT_TABLE
Method: GET_NODE
Method: SELECT_NODE_FROM_DB
Method: SELECT_CHILDS_INTO_BUFFER
Method: GET_HIERARCHY_HEADER
Method: DISPLAY_LIST_TREE_MODEL
Method: DISPLAY_COLUMN_TREE_MODEL
Method: IF_EX_WRF_GENERIC_HIER_I~MODIFY_NEW_HIERARCHY_DATA
Method: GET_MAINTENANCE_GROUP