/**
 * Creates a dummy Proxy state object for path extraction.
 */
export declare function createDummyState<T>(): T;
/**
 * Extracts the property path from a selector function using Proxy.
 *
 * **Limitations:**
 * - Does not support conditional logic (if/ternary): Proxy records ALL accessed paths
 *   and returns the longest, which leads to subscription on the wrong path.
 * - Does not support destructuring or array methods (map, filter, etc.)
 * - For such cases use string-based subscription: `storage.subscribe('user.permissions', callback)`
 */
export declare function extractPath<T>(selector: (state: T) => any, dummyState: T, cache?: WeakMap<(...args: any[]) => any, string>): string;