export interface ViewWindow {
    start: number;
    end: number;
}
export declare function resetViewWindowToStart(viewStart: number, viewEnd: number, duration: number): ViewWindow;
export declare function centerViewWindow(time: number, viewStart: number, viewEnd: number, duration: number): ViewWindow;
export declare function followPlaybackView(time: number, viewStart: number, viewEnd: number, duration: number, followRatio?: number): ViewWindow;
export declare function zoomViewWindow(anchorTime: number, anchorRatio: number, factor: number, viewStart: number, viewEnd: number, duration: number, minimumWindow?: number): ViewWindow;
export declare function panViewWindow(deltaSeconds: number, viewStart: number, viewEnd: number, duration: number): ViewWindow;