export default ViewportTracker2D;
declare class ViewportTracker2D extends SVGTrack {
    uid: string;
    hasFromView: boolean;
    removeViewportChanged: any;
    setDomainsCallback: any;
    viewportXDomain: any;
    viewportYDomain: any;
    brush: import("d3-brush").BrushBehavior<any>;
    gBrush: import("d3-selection").Selection<SVGGElement, any, null, undefined>;
    brushed(event: any): void;
    viewportChanged(viewportXScale: any, viewportYScale: any): void;
    rerender(): void;
    draw(): void;
    zoomed(newXScale: any, newYScale: any): void;
}
import SVGTrack from './SVGTrack';