bool selected

Source 

@DomName('HTMLOptionElement.selected')
@DocsEditable()
bool get selected => _blink.BlinkHTMLOptionElement.instance.selected_Getter_(this);
void selected=(bool value)

Source 

@DomName('HTMLOptionElement.selected')
@DocsEditable()
set selected(bool value) => _blink.BlinkHTMLOptionElement.instance.selected_Setter_(this, value);