import { WaybackConfig } from '../types';
type GetTileImageURLParams = {
    /**
     * URL template for a specific Wayback release, provided by the Wayback configuration file.
     * The template should include placeholders for level, row, and column.
     * @example 'https://wayback.maptiles.arcgis.com/arcgis/rest/services/World_Imagery/WMTS/1.0.0/default028mm/MapServer/tile/10/{level}/{row}/{col}'
     */
    urlTemplate: string | null;
    /**
     * The column coordinate for the tile.
     */
    column: number | null;
    /**
     * The row coordinate for the tile.
     */
    row: number | null;
    /**
     * The level of detail (zoom level) for the tile.
     */
    level: number | null;
};
/**
 * An array of subDomain names for production wayback service.
 * Using different subDomains helps to speed up tile retrieval.
 */
export declare const WAYBACK_SERVICE_SUB_DOMAINS_PROD: string[];
/**
 * The template of the wayback service root URL.
 */
export declare const WAYBACK_SERVICE_URL_TEMPLATE = "https://{subDomain}.maptiles.arcgis.com/arcgis/rest/services/World_Imagery/MapServer";
/**
 * The wayback configuration data to use instead of fetching it from the configuration file URL.
 */
export declare let customWaybackConfigData: WaybackConfig | null;
/**
 * Set custom wayback configuration parameters.
 * This can be useful for testing with custom subDomains or a custom configuration file URL.
 * @param param.subDomains - An array of custom subDomain names to use instead of the default production subDomains: `['wayback', 'wayback-a', 'wayback-b']`
 * @param param.waybackConfigFileURL - A custom URL for the wayback configuration file to use instead of the default one for production: `https://s3-us-west-2.amazonaws.com/config.maptiles.arcgis.com/waybackconfig.json`
 * @param param.waybackConfigData - Custom wayback configuration data to use instead of fetching it from the configuration file URL.
 * @returns {void}
 */
export declare const setCustomWaybackConfig: (params: {
    subDomains?: string[];
    waybackConfigFileURL?: string;
    waybackConfigData?: WaybackConfig;
}) => void;
/**
 * Generates the base URL for the Wayback service, replacing the subdomain placeholder
 * with a randomly selected subdomain from the available options.
 *
 * @returns {string} The base URL for the Wayback service with a random subdomain.
 */
export declare const getWaybackServiceBaseURL: () => string;
/**
 * Generates the full URL to retrieve a tile image based on the provided column, row, and zoom level.
 * The function substitutes the placeholders in the URL template with the appropriate values for
 * level, row, and column, and it also replaces the subdomain placeholder with a randomly selected subdomain.
 *
 * @param {GetTileImageURLParams} params - The parameters for generating the tile image URL.
 *     - `urlTemplate`: The template URL containing placeholders for level, row, and column.
 *     - `column`: The column coordinate for the tile.
 *     - `row`: The row coordinate for the tile.
 *     - `level`: The level of detail (zoom level) for the tile.
 * @returns {string} The complete tile image URL with the correct column, row, level, and subdomain.
 */
export declare const getTileImageURL: ({ urlTemplate, column, row, level, }: GetTileImageURLParams) => string;
/**
 * Get the URL of the wayback configuration file.
 * If a custom URL is set, use it; otherwise, use the default production URL.
 * @returns {string} the URL of the wayback configuration file
 */
export declare const getWaybackConfigFileURL: () => string;
/**
 * Get an array of subDomain names where tiles are served to speed up tile retrieval.
 * @returns {string[]} array of subDomain names (e.g. `[ 'wayback-a', 'wayback-b' ]`)
 *
 * @see https://developers.arcgis.com/javascript/latest/api-reference/esri-layers-WebTileLayer.html#subDomains
 */
export declare const getWaybackSubDomains: () => string[];
export {};