Variable SpeechSynthesisErrorEvent
SpeechSynthesisErrorEvent : {
prototype: SpeechSynthesisErrorEvent;
new (type: string, eventInitDict: SpeechSynthesisErrorEventInit): SpeechSynthesisErrorEvent;
}
prototype: SpeechSynthesisErrorEvent;
new (type: string, eventInitDict: SpeechSynthesisErrorEventInit): SpeechSynthesisErrorEvent;
}