[
Conditional=SVG
] 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;
[GetterRaisesException, SetterRaisesException, Custom, StrictTypeChecking] attribute float value;
[StrictTypeChecking] attribute float valueInSpecifiedUnits;
[TreatNullAs=NullString, StrictTypeChecking, SetterRaisesException] attribute DOMString valueAsString;
[StrictTypeChecking, RaisesException] void newValueSpecifiedUnits(unsigned short unitType,
float valueInSpecifiedUnits);
[Custom, StrictTypeChecking, RaisesException] void convertToSpecifiedUnits(unsigned short unitType);
};