interface SVGLength {
const unsigned short SVG_LENGTHTYPE_UNKNOWN = 0;
const unsigned short SVG_LENGTHTYPE_NUMBER = 1;
const unsigned short SVG_LENGTHTYPE_PERCENTAGE = 2;
const unsigned short SVG_LENGTHTYPE_EMS = 3;
const unsigned short SVG_LENGTHTYPE_EXS = 4;
const unsigned short SVG_LENGTHTYPE_PX = 5;
const unsigned short SVG_LENGTHTYPE_CM = 6;
const unsigned short SVG_LENGTHTYPE_MM = 7;
const unsigned short SVG_LENGTHTYPE_IN = 8;
const unsigned short SVG_LENGTHTYPE_PT = 9;
const unsigned short SVG_LENGTHTYPE_PC = 10;
readonly attribute unsigned short unitType;
[GetterMayThrowException, SetterMayThrowException, ImplementedAs=valueForBindings] attribute unrestricted float value;
[SetterMayThrowException] attribute unrestricted float valueInSpecifiedUnits;
[SetterMayThrowException] attribute DOMString valueAsString;
[MayThrowException] void newValueSpecifiedUnits(unsigned short unitType, unrestricted float valueInSpecifiedUnits);
[MayThrowException] void convertToSpecifiedUnits(unsigned short unitType);
};