/// <reference types="dom-speech-recognition" />
type WebSpeechPonyfill = {
    /**
     * Function to resume `AudioContext` object when called.
     *
     * Web Chat will call this function on user gestures to resume suspended `AudioContext`.
     */
    resumeAudioContext?: () => Promise<void>;
    /** Polyfill for Web Speech API `SpeechGrammarList` class. */
    SpeechGrammarList?: typeof SpeechGrammarList;
    /** Polyfill for Web Speech API `SpeechRecognition` class. */
    SpeechRecognition?: typeof SpeechRecognition;
    /** Polyfill for Web Speech API `speechSynthesis` instance. */
    speechSynthesis?: SpeechSynthesis;
    /** Polyfill for Web Speech API `SpeechSynthesisUtterance` class. */
    SpeechSynthesisUtterance?: typeof SpeechSynthesisUtterance;
};
export { type WebSpeechPonyfill };
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