import { FeatureCollection } from 'geojson';
import OlMap from 'ol/Map';
/**
 * Helper class for adding layers from various file formats.
 *
 * @class
 */
export declare class FileUtil {
    /**
     * Adds a new vector layer from a geojson file.
     * @param {File} file the file to read the geojson from
     * @param {import("ol/Map").default} map the map to add the layer to
     */
    static addGeojsonLayerFromFile(file: File, map: OlMap): void;
    /**
     * Adds a new vector layer from a shape file (zip).
     * @param {File} file the file to read the geojson from
     * @param {import("ol/Map").default} map the map to add the layer to
     */
    static addShpLayerFromFile(file: File, map: OlMap): void;
    /**
     * Adds a new vector layer from a geojson string.
     * @param {string|object} json the geojson string or object
     * @param {import("ol/Map").default} map the map to add the layer to
     */
    static addGeojsonLayer(json: string | FeatureCollection | FeatureCollection[], map: OlMap): void;
}
export default FileUtil;