num y1

Source 

@DomName('SVGPathSegCurvetoCubicRel.y1')
@DocsEditable()
num get y1 => _blink.BlinkSVGPathSegCurvetoCubicRel.instance.y1_Getter_(this);
void y1=(num value)

Source 

@DomName('SVGPathSegCurvetoCubicRel.y1')
@DocsEditable()
set y1(num value) =>
    _blink.BlinkSVGPathSegCurvetoCubicRel.instance.y1_Setter_(this, value);