<> <> <> <> <<>> NodePropsExtras: CEDAR DEFINITIONS ~ BEGIN <> <<>> DeclarePropertyAttribute: PROC [name: ATOM, attribute: ATOM]; <> Is: PROC [name: ATOM, attribute: ATOM] RETURNS [BOOL]; <> GetPropertyAttributes: PROC [name: ATOM] RETURNS [LIST OF ATOM]; <> <<>> SetPropertyAttributes: PROC [name: ATOM, attributes: LIST OF ATOM]; <> END.