import { PromiseEmitter } from '../components/base/PromiseEmitter';
import * as i0 from "@angular/core";
export declare class AudioService {
    static audioContext: AudioContext | null;
    static promise: PromiseEmitter;
    constructor();
    static createSafeAudioContext(): Promise<void>;
    static getAudioContext(): Promise<AudioContext>;
    static ɵfac: i0.ɵɵFactoryDeclaration<AudioService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<AudioService>;
}