import type { GlobalModel } from '../context/types';
import type { CallableValue } from '../types';
/**
 * Hook for global model state management.
 * @param key - global model key
 * @returns [model, updateModel]
 * @public
 */
export declare const useGlobalModel: <T extends GlobalModel = GlobalModel, K extends keyof T = keyof T>(key?: K) => readonly [any, (newModel: CallableValue<T | T[K]>) => void];