/**
 * 检查 `value` 是否是网址URL
 *
 * @deprecated since version 1.1.1
 *
 * @example
 * ```ts
 * isURL('https://www.example.com')
 * // => true
 * isURL('www.example.com')
 * // => false
 * ```
 */
export declare function isURL(value: unknown): value is string;