import type { IStore } from '../store';
export declare const getNextVolumeUp: (currentVolume: number, step: number) => number;
export declare const getNextVolumeDown: (currentVolume: number, step: number) => number;
export declare const volumeDiscreteChangeUp: (store: IStore, currentVolume: number, step: number) => void;
export declare const volumeDiscreteChangeDown: (store: IStore, currentVolume: number, step: number) => void;
