export default class QueuedUtterance {
    _cancelled: any;
    _cancel: any;
    _deferred: any;
    _onEnd: any;
    _onError: any;
    _onStart: any;
    _ponyfill: any;
    _speaking: any;
    _utterance: any;
    promise: any;
    constructor(ponyfill: any, utterance: any, { onEnd, onError, onStart }: {
        onEnd: any;
        onError: any;
        onStart: any;
    });
    cancel(): Promise<void>;
    speak(): any;
}
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