/**
 * Deeply proxies an input while normalizing Maps/Sets into proxyMap/proxySet.
 * - Values in refSet or primitives are returned as-is.
 * - Map/proxyMap and Set/proxySet are re-instantiated by passing their existing iterables directly.
 * - Arrays/objects are rebuilt recursively and wrapped with proxy().
 */
export declare function unstable_deepProxy<T>(obj: T, getRefSet?: () => WeakSet<object>): T;