import Point from '../../geo/point';
import TwoTouchHandler from './two_touch';
export default class TouchZoomHandler extends TwoTouchHandler {
    private distance;
    private startDistance;
    reset(): void;
    start(points: [Point, Point]): void;
    move(points: [Point, Point], pinchAround: Point): {
        zoomDelta: number;
        pinchAround: Point;
    } | undefined;
}