import type { QueryStringToObject } from '../typings/url';
export declare function parseKey(obj: Record<PropertyKey, any>, key: string, value: any): void;
/**
 * Converts a query string to an object.
 *
 * @example `queryStringToObject('foo=1&bar=2&baz=3')`
 * @example `queryStringToObject('foo=&bar=2&baz=3')`
 * @example `queryStringToObject('foo[0]=1&foo[1]=2&baz=3')`
 * @template T - The type of the URL string.
 * @template U - The type of the object to return.
 * @param {T} url - The URL string to convert.
 * @returns {U} The object representation of the query string in `url`.
 */
export declare function queryStringToObject<T extends string, U extends Record<PropertyKey, any> = QueryStringToObject<T>>(url: T): U;
/**
 * Converts an object to a query string.
 *
 * @param data - The object to convert.
 * @returns The query string representation of `data`.
 */
export declare function objectToQueryString<T extends Record<PropertyKey, any>>(data: T): string;
/**
 * convert params routes to regular expressions
 *
 * @param path a params paths
 * @returns null or An array contains the RegExp that matches the params and the path for each params parameter
 */
export declare function convertParamsRouterToRegExp(path: string): (RegExp | string[])[] | null;
/**
 * Returns the last portion of a path, similar to the Unix basename command.
 * Trims the query string if it exists.
 * Optionally, removes a suffix from the result.
 *
 * @param path - The path to get the basename from.
 * @param [suffix] - An optional suffix to remove from the basename.
 * @returns The basename of the path.
 */
export declare function basename(path: string, suffix?: string): string;
/**
 * Convert a multi-dimensional array to a query string.
 * @param array The multi-dimensional array to convert.
 * @param field The field name to use in the query string.
 * @returns The generated query string.
 */
export declare function arrayToQueryString(array: Array<unknown>, field: string): string;