/**
 * Recursively freezes an object and all its nested properties.
 *
 * @template T - Type of the object to freeze
 * @param value - The object to freeze
 * @param seen - Internal parameter to track circular references
 * @returns A deeply frozen version of the input object.
 */
export declare function deepFreeze<T extends object>(value: T, seen?: WeakSet<WeakKey>): Readonly<T>;