readonly attribute SVGAnimatedTransformList gradientTransform; 

readonly attribute SVGAnimatedEnumeration gradientUnits; 

readonly attribute SVGAnimatedEnumeration spreadMethod; 

const unsigned short SVG_SPREADMETHOD_PAD = 1; 

const unsigned short SVG_SPREADMETHOD_REFLECT = 2; 

const unsigned short SVG_SPREADMETHOD_REPEAT = 3; 

const unsigned short SVG_SPREADMETHOD_UNKNOWN = 0;