String lang

Source 

@DomName('SpeechSynthesisUtterance.lang')
@DocsEditable()
String get lang => _blink.BlinkSpeechSynthesisUtterance.instance.lang_Getter_(this);
void lang=(String value)

Source 

@DomName('SpeechSynthesisUtterance.lang')
@DocsEditable()
set lang(String value) => _blink.BlinkSpeechSynthesisUtterance.instance.lang_Setter_(this, value);