declare class SoundManagerSingleton {
    private sounds;
    loadSound(name: string, src: string): Promise<void>;
    private loadSoundFile;
    setSoundRate(name: string, rate: number): void;
    playSound(name: string, options?: {
        loop?: boolean;
        volume?: number;
    }): void;
    stopSound(name: string): void;
}
export declare const SoundManager: SoundManagerSingleton;
export {};