public void RemoveEventListener(SpeechSynthesisUtteranceEvents type, IEventListener listener, bool capture)
 {
 }
 public void RemoveEventListener(SpeechSynthesisUtteranceEvents type, HtmlEventHandler listener)
 {
 }
 public void RemoveEventListener(SpeechSynthesisUtteranceEvents type, HtmlEventHandlerWithTarget<SpeechSynthesisUtterance> listener, bool capture)
 {
 }
 public void AddEventListener(SpeechSynthesisUtteranceEvents type, IEventListener listener)
 {
 }
 public void RemoveEventListener(SpeechSynthesisUtteranceEvents type, Action listener)
 {
 }
 public void AddEventListener(SpeechSynthesisUtteranceEvents type, HtmlEventHandler listener, bool capture)
 {
 }
 public void AddEventListener(SpeechSynthesisUtteranceEvents type, HtmlEventHandlerWithTarget<SpeechSynthesisUtterance> listener)
 {
 }
 public void AddEventListener(SpeechSynthesisUtteranceEvents type, IEventListener listener, bool capture)
 {
 }
 public void AddEventListener(SpeechSynthesisUtteranceEvents type, Action listener, bool capture)
 {
 }
 public void AddEventListener(SpeechSynthesisUtteranceEvents type, HtmlEventHandler listener)
 {
 }
 public void AddEventListener(SpeechSynthesisUtteranceEvents type, HtmlEventHandlerWithTarget <SpeechSynthesisUtterance> listener, bool capture)
 {
 }
 public void RemoveEventListener(SpeechSynthesisUtteranceEvents type, IEventListener listener)
 {
 }
 public void RemoveEventListener(SpeechSynthesisUtteranceEvents type, HtmlEventHandlerWithTarget <SpeechSynthesisUtterance> listener)
 {
 }
 public void RemoveEventListener(SpeechSynthesisUtteranceEvents type, HtmlEventHandler listener, bool capture)
 {
 }
 public void RemoveEventListener(SpeechSynthesisUtteranceEvents type, Action listener, bool capture)
 {
 }
 public void AddEventListener(SpeechSynthesisUtteranceEvents type, Action listener)
 {
 }