1. DomName('SVGPathElement.createSVGPathSegCurvetoQuadraticRel')
  2. DocsEditable()
PathSegCurvetoQuadraticRel createSvgPathSegCurvetoQuadraticRel(num x, num y, num x1, num y1)

Source 

@DomName('SVGPathElement.createSVGPathSegCurvetoQuadraticRel')
@DocsEditable()
PathSegCurvetoQuadraticRel createSvgPathSegCurvetoQuadraticRel(num x, num y, num x1, num y1) => _blink.BlinkSVGPathElement.instance.createSVGPathSegCurvetoQuadraticRel_Callback_4_(this, x, y, x1, y1);