export declare class Utils {
    static long2tile(lon: number, zoom: number): number;
    static lat2tile(lat: number, zoom: number): number;
    static tile2lat(y: number, z: number): number;
    static tile2lon(x: number, z: number): number;
    static tile2bbox(tile: number[]): number[];
    static tile2position(z: number, x: number, y: number, center: {
        x: number;
        y: number;
    }, tileSize: number): {
        x: number;
        y: number;
        z: number;
    };
    static position2tileFraction(lat: number, lon: number, z: number): {
        x: number;
        y: number;
        z: number;
    };
    static position2tile(lat: number, lon: number, z: number): {
        x: number;
        y: number;
        z: number;
    };
    static getTileKey(z: number, x: number, y: number): string;
}