import { Context, ContextSelector } from './types';
/**
 * This hook returns context selected value by selector.
 * It will only accept context created by `createContext`.
 * It will trigger re-render if only the selected value is referencially changed.
 */
export declare const useContextSelector: <Value, SelectedValue>(context: Context<Value>, selector: ContextSelector<Value, SelectedValue>) => SelectedValue;