import { IGunInstance } from 'gun';
/**
 * A React hook to synchronize a piece of state with Gun.js.
 *
 * @param scope - A string to namespace the data.
 * @param key - The key for the data within the scope.
 * @param initialValue - The default value if none is set in the database.
 * @param gunInstance - Optional Gun instance. If not provided, uses context.
 * @returns A state pair `[value, setValue]`, similar to `React.useState`.
 */
export declare function useGunState<T>(scope: string, key: string, initialValue: T, gunInstance?: IGunInstance): [T, (newValue: T | ((prevState: T) => T)) => void];