String hostname

Source 

@DomName('URL.hostname')
@DocsEditable()
@Experimental() // untriaged
String get hostname => _blink.BlinkURL.instance.hostname_Getter_(this);
void hostname=(String value)

Source 

@DomName('URL.hostname')
@DocsEditable()
@Experimental() // untriaged
set hostname(String value) =>
    _blink.BlinkURL.instance.hostname_Setter_(this, value);