SVGLength: {
    prototype: SVGLength;
    SVG_LENGTHTYPE_CM: 6;
    SVG_LENGTHTYPE_EMS: 3;
    SVG_LENGTHTYPE_EXS: 4;
    SVG_LENGTHTYPE_IN: 8;
    SVG_LENGTHTYPE_MM: 7;
    SVG_LENGTHTYPE_NUMBER: 1;
    SVG_LENGTHTYPE_PC: 10;
    SVG_LENGTHTYPE_PERCENTAGE: 2;
    SVG_LENGTHTYPE_PT: 9;
    SVG_LENGTHTYPE_PX: 5;
    SVG_LENGTHTYPE_UNKNOWN: 0;
    new (): SVGLength;
}