void setOrientToAngle(
    in SVGAngle angle); 

void setOrientToAuto(); 

readonly attribute SVGAnimatedLength markerHeight; 

readonly attribute SVGAnimatedEnumeration markerUnits; 

readonly attribute SVGAnimatedLength markerWidth; 

readonly attribute SVGAnimatedAngle orientAngle; 

readonly attribute SVGAnimatedEnumeration orientType; 

readonly attribute SVGAnimatedLength refX; 

readonly attribute SVGAnimatedLength refY; 

const unsigned short SVG_MARKER_ORIENT_ANGLE = 2; 

const unsigned short SVG_MARKER_ORIENT_AUTO = 1; 

const unsigned short SVG_MARKER_ORIENT_UNKNOWN = 0; 

const unsigned short SVG_MARKERUNITS_STROKEWIDTH = 2; 

const unsigned short SVG_MARKERUNITS_UNKNOWN = 0; 

const unsigned short SVG_MARKERUNITS_USERSPACEONUSE = 1;