1. DomName('Range.setStartAfter')
  2. DocsEditable()
void setStartAfter(Node refNode)

Source 

@DomName('Range.setStartAfter')
@DocsEditable()
void setStartAfter(Node refNode) => _blink.BlinkRange.instance.setStartAfter_Callback_1_(unwrap_jso(this), unwrap_jso(refNode));