Method: CONSTRUCTOR
Method: IS_DEFAULT
Method: SET_DEFAULT_FILTER
Method: IS_VISIBLE
Method: GET_COPY
Method: GET_ALL_FILTER_OBJ
Method: ADD_FILTER_OBJ
Method: IS_EQUAL
Method: CONDENSE
Method: GET_FILTER_OBJ
Method: CREATE_TREE_FILTER
Method: IS_NODE_VALID_FOR_GET_CHILDREN
Method: SET_TREE_FILTER
Method: GET_TREE_FILTER
Method: ADD_T_TREE
Method: FILTER_TREE