import { MultiPolygon as TurfMultiPolygon, Polygon as TurfPolygon } from "@turf/turf";
import { Polygon, PolygonAttributes, PolygonPolygonTypeEnum } from "../baseEntities";
import { TAGS } from "../baseEntities/constants";
import { ISOXMLManager } from "../ISOXMLManager";
import { Entity, XMLElement } from "../types";
export declare class ExtendedPolygon extends Polygon {
    tag: TAGS;
    constructor(attributes: PolygonAttributes, isoxmlManager: ISOXMLManager);
    static fromXML(xml: XMLElement, isoxmlManager: ISOXMLManager, internalId: string): Promise<Entity>;
    static fromGeoJSON(geoJSON: TurfMultiPolygon | TurfPolygon, polygonType: PolygonPolygonTypeEnum, isoxmlManager: ISOXMLManager): Polygon[];
    static normalizePolygons(polygons: Polygon[]): Polygon[];
    static toGeoJSON(polygons: Polygon[]): TurfMultiPolygon;
}