export declare const EMPTY_VALUE: unique symbol;
type QValue = string | number | boolean | typeof EMPTY_VALUE;
export type QueryList = readonly (readonly [key: string, value: QValue])[];
export type QueryObject = Record<string, QValue>;
export type Query = QueryList | QueryObject;
type Options = {
    method?: "GET" | "POST";
};
/**
 * Fetches a URL and returns the response
 * @param path Path to resource, e.g. "clan_basement.php"
 * @param query Query parameters,
 *  either as an object, e.g. { action: "cleansewer" },
 *  or as a list of [key, value] pairs, e.g. [["action", "cleansewer"]]
 * @param options Additional options
 * @param options.method HTTP method to use, either "GET" or "POST", defaults to "POST"
 * @returns the response from visiting the URL
 */
export declare function fetchUrl(path: string, query?: Query, options?: Options): string;
/**
 * Builds a URL from a path and query
 * @param path Path to resource, e.g. "clan_basement.php"
 * @param query Query parameters,
 *  either as an object, e.g. { action: "cleansewer" },
 *  or as a list of [key, value] pairs, e.g. [["action", "cleansewer"]]
 * @returns the constructed URL, e.g. "clan_basement.php?action=cleansewer"
 */
export declare function buildUrl(path: string, query?: Query): string;
/**
 * Combines a list of queries into a single query
 * @param queries a list of query objects and/or arrays, can be mixed
 * @returns a single query
 */
export declare function combineQuery(...queries: Query[]): Query;
export {};