/**
 * Converts a longitude value to a tile number at a specified zoom level.
 * @param {number} lon - The longitude value to be converted.
 * @param {number} zoom - The zoom level at which to calculate the tile number.
 * @returns {number} The tile number corresponding to the given longitude and zoom level.
 */
export declare const long2tile: (lon: number, zoom: number) => number;
/**
 * Converts a latitude value to a tile number at a specified zoom level.
 * @param {number} lat - The latitude value to be converted.
 * @param {number} zoom - The zoom level at which to calculate the tile number.
 * @returns {number} The tile number corresponding to the given latitude and zoom level.
 */
export declare const lat2tile: (lat: number, zoom: number) => number;
/**
 * Converts a tile number to the corresponding longitude value at a specified zoom level.
 * @param {number} x - The tile number to be converted.
 * @param {number} z - The zoom level at which the tile number is calculated.
 * @returns {number} The longitude value corresponding to the given tile number and zoom level.
 */
export declare const tile2Long: (x: number, z: number) => number;
/**
 * Converts a tile number to the corresponding latitude value at a specified zoom level.
 * @param {number} y - The tile number to be converted.
 * @param {number} z - The zoom level at which the tile number is calculated.
 * @returns {number} The latitude value corresponding to the given tile number and zoom level.
 */
export declare const tile2lat: (y: number, z: number) => number;