SVGPathSeg appendItem(
    in SVGPathSeg newItem) raises(DOMException, SVGException); 

void clear() raises(DOMException); 

SVGPathSeg getItem(
    in unsigned long index) raises(DOMException); 

SVGPathSeg initialize(
    in SVGPathSeg newItem) raises(DOMException, SVGException); 

SVGPathSeg insertItemBefore(
    in SVGPathSeg newItem,
    in unsigned long index) raises(DOMException, SVGException); 

SVGPathSeg removeItem(
    in unsigned long index) raises(DOMException); 

SVGPathSeg replaceItem(
    in SVGPathSeg newItem,
    in unsigned long index) raises(DOMException, SVGException); 

readonly attribute unsigned long numberOfItems;