/**
 * React-hook for generate uniq identifier.
 *
 * When using ssr in a project, you must wrap the application in
 * `SSRProvider` for id synchronization between the server and the client.
 *
 * @param customId - Custom uniq id
 *
 * @example
 * const id = useUniqId()
 */
export declare function useUniqId(customId?: string): string;