import type { PipeTransform } from '@angular/core';
import type { SpeechSynthesisUtteranceOptions } from '../../interfaces/speech-synthesis-utterance-options';
import * as i0 from "@angular/core";
export declare class UtterancePipe implements PipeTransform {
    transform(text: string, { lang, pitch, rate, volume, voice, }?: SpeechSynthesisUtteranceOptions | undefined): SpeechSynthesisUtterance;
    static ɵfac: i0.ɵɵFactoryDeclaration<UtterancePipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<UtterancePipe, "waUtterance", true>;
}