NS_NOTYETIMPLEMENTED("write me");
NS_NOTYETIMPLEMENTED("nsSVGPathSegList::InsertItemBefore");
NS_IMETHODIMP nsSVGPathSegList::InsertItemBefore(nsIDOMSVGPathSeg *newItem,                                                 PRUint32 index,                                                 nsIDOMSVGPathSeg **_retval){  // null check when implementing - this method can be used by scripts!  // if (!newItem)  //   return NS_ERROR_DOM_SVG_WRONG_TYPE_ERR;  NS_NOTYETIMPLEMENTED("write me");  return NS_ERROR_NOT_IMPLEMENTED;}