SpeechSynthesisVoice voice

Source 

@DomName('SpeechSynthesisUtterance.voice')
@DocsEditable()
SpeechSynthesisVoice get voice =>
    _blink.BlinkSpeechSynthesisUtterance.instance.voice_Getter_(this);
void voice=(SpeechSynthesisVoice value)

Source 

@DomName('SpeechSynthesisUtterance.voice')
@DocsEditable()
set voice(SpeechSynthesisVoice value) =>
    _blink.BlinkSpeechSynthesisUtterance.instance.voice_Setter_(this, value);