export interface ParseOptions {
    sep?: string;
    eq?: string;
    decodeURIComponent?: (str: string) => string;
    filter?: (key: string, val: any) => any;
    start?: number | string;
}
/**
 * 将 URL 查询字符串 str 解析为键值对的集合
 *
 * parse('http://demo.com?a=1&a=2&a=3&d=&f=')
 *
 * // { a: ['1', '2', '3'], d: '', f: '' }
 *
 * @param str 要解析的 URL 查询字符串
 * @param options 可选
 * @returns object对象
 */
export declare function parse(str: string, options?: ParseOptions): Record<string, string | string[]>;