import { type OnChanges } from '@angular/core';
import * as i0 from "@angular/core";
export declare class WaTextToSpeech implements OnChanges {
    private readonly speechSynthesisRef;
    paused: import("@angular/core").InputSignal<boolean>;
    readonly onend: import("@angular/core").OutputEmitterRef<SpeechSynthesisEvent>;
    readonly onmark: import("@angular/core").OutputEmitterRef<SpeechSynthesisEvent>;
    readonly onerror: import("@angular/core").OutputEmitterRef<SpeechSynthesisErrorEvent>;
    readonly onboundary: import("@angular/core").OutputEmitterRef<SpeechSynthesisEvent>;
    set waTextToSpeech(utterance: SpeechSynthesisUtterance);
    ngOnChanges(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<WaTextToSpeech, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<WaTextToSpeech, "[waTextToSpeech]", never, { "waTextToSpeech": { "alias": "waTextToSpeech"; "required": false; }; "paused": { "alias": "waTextToSpeechPaused"; "required": false; "isSignal": true; }; }, { "onend": "waTextToSpeechEnd"; "onmark": "waTextToSpeechMark"; "onerror": "waTextToSpeechError"; "onboundary": "waTextToSpeechBoundary"; }, never, never, true, never>;
}