bool multiple

Source 

@DomName('HTMLSelectElement.multiple')
@DocsEditable()
bool get multiple =>
    _blink.BlinkHTMLSelectElement.instance.multiple_Getter_(this);
void multiple=(bool value)

Source 

@DomName('HTMLSelectElement.multiple')
@DocsEditable()
set multiple(bool value) =>
    _blink.BlinkHTMLSelectElement.instance.multiple_Setter_(this, value);