1. @DomName('SVGPathElement.createSVGPathSegCurvetoCubicSmoothRel')
  2. @DocsEditable()
PathSegCurvetoCubicSmoothRel createSvgPathSegCurvetoCubicSmoothRel(num x, num y, num x2, num y2)

Source 

@DomName('SVGPathElement.createSVGPathSegCurvetoCubicSmoothRel')
@DocsEditable()
PathSegCurvetoCubicSmoothRel createSvgPathSegCurvetoCubicSmoothRel(
        num x, num y, num x2, num y2) =>
    _blink.BlinkSVGPathElement.instance
        .createSVGPathSegCurvetoCubicSmoothRel_Callback_4_(
            this, x, y, x2, y2);