import { Vector as VectorLayer } from "ol/layer";
import VectorTileLayer from "ol/layer/VectorTile";
import VectorSource from "ol/source/Vector";
export declare const pointsSource: VectorSource<never>;
export declare const pointsLayer: VectorLayer<VectorSource<never>>;
/**
 * Extract points that are available to snap to when a VectorTileLayer basemap is displayed
 * @param basemap - a VectorTileLayer
 * @param extent - an array of 4 points
 * @returns - a VectorSource populated with points within the extent
 */
export declare function getSnapPointsFromVectorTiles(basemap: VectorTileLayer, extent: number[]): void;