import { Feature, Point } from 'geojson';
import { AllGeoJSON } from '@turf/helpers';

/**
 * Takes a Feature or FeatureCollection and returns a {@link Point} guaranteed to be on the surface of the feature.
 *
 * * Given a {@link Polygon}, the point will be in the area of the polygon
 * * Given a {@link LineString}, the point will be along the string
 * * Given a {@link Point}, the point will the same as the input
 *
 * @function
 * @param {GeoJSON} geojson any Feature or FeatureCollection
 * @returns {Feature<Point>} a point on the surface of `input`
 * @example
 * var polygon = turf.polygon([[
 *   [116, -36],
 *   [131, -32],
 *   [146, -43],
 *   [155, -25],
 *   [133, -9],
 *   [111, -22],
 *   [116, -36]
 * ]]);
 *
 * var pointOnPolygon = turf.pointOnFeature(polygon);
 *
 * //addToMap
 * var addToMap = [polygon, pointOnPolygon];
 */
declare function pointOnFeature(geojson: AllGeoJSON): Feature<Point>;

export { pointOnFeature as default, pointOnFeature };