import React from 'react';
export declare const TIMELINE_MIN_ZOOM = 1;
export declare const TIMELINE_MAX_ZOOM = 5;
export declare const TimelineZoomCtx: React.Context<{
    zoom: Record<string, number>;
    setZoom: (compositionId: string, prev: (prevZoom: number) => number) => void;
}>;
export declare const TimelineZoomContext: React.FC<{
    readonly children: React.ReactNode;
}>;