/*!
 * Copyright (c) Microsoft Corporation.
 * Licensed under the MIT License.
 */
export interface IMapProjection {
    project(longitude: number, latitude: number, xy: [number, number]): void;
    unproject(x: number, y: number, lonLat: [number, number]): void;
}
export declare class MercatorHelper implements IMapProjection {
    readonly minLatitude = -85.05112878;
    readonly maxLatitude = 85.05112878;
    readonly minLongitude = -180;
    readonly maxLongitude = 180;
    readonly minX = -1;
    readonly minY = -1;
    readonly maxX = 1;
    readonly maxY = 1;
    project(longitude: number, latitude: number, xy: [number, number]): void;
    unproject(x: number, y: number, lonLat: [number, number]): void;
}
export declare class AlbersHelper implements IMapProjection {
    private _phi1;
    get standardParallel1(): number;
    set standardParallel1(value: number);
    private _phi2;
    get standardParallel2(): number;
    set standardParallel2(value: number);
    private _lat0;
    get latitudeOfOrigin(): number;
    set latitudeOfOrigin(value: number);
    private _lon0;
    get centralMeridian(): number;
    set centralMeridian(value: number);
    project(lon: number, lat: number, xy: [number, number]): void;
    unproject(x: number, y: number, lonLat: [number, number]): void;
}
export interface IGeoJSON {
    features: IGeoJSONFeature[];
}
export interface IGeoJSONFeature {
    geometry: IGeoJSONGeometry;
    properties: {
        [key: string]: any;
    } | null;
}
export interface IGeoJSONGeometry {
    type: "Polygon" | "MultiPolygon";
}
export interface IGeoJSONPolygon extends IGeoJSONGeometry {
    type: "Polygon";
    coordinates: number[][][];
}
export interface IGeoJSONMultiPolygon extends IGeoJSONGeometry {
    type: "MultiPolygon";
    coordinates: number[][][][];
}
export declare class GeoJSONHelper {
    private _lonLat;
    constructor();
    feature(geoJSON: IGeoJSON, property: string, key: string): IGeoJSONFeature;
    bounds(geometry: IGeoJSONGeometry, clip: {
        minLon: number;
        maxLon: number;
        minLat: number;
        maxLat: number;
    }, projection: IMapProjection): {
        minX: number;
        maxX: number;
        minY: number;
        maxY: number;
    };
}