import VolumeViewport from '../RenderingEngine/VolumeViewport.js';
import type { ScrollOptions, IViewport, IVideoViewport } from '../types/index.js';
export default function scroll(viewport: IViewport | IVideoViewport, options: ScrollOptions): void;
export declare function scrollVolume(viewport: VolumeViewport, volumeId: string, delta: number, scrollSlabs?: boolean): void;