/**
 * This hook provide a mechanism that can support both controlled and uncontrolled state
 * to replace `useState()`
 *
 * @param onChange The callback for component's onChange prop
 * @param value$co The controlled value, if is `undefined`, value will be uncontrolled
 * @param defaultValue The default value for uncontrolled
 *
 * @template T Cannot be `undefined`
 */
export declare function useAutoState<T>(onChange: ((value: T) => void) | undefined, value$co: T, defaultValue?: T): [T, (value: T) => void];
export declare function useAutoState<T>(onChange: ((value: T) => void) | undefined, value$co: T | undefined, defaultValue: T): [T, (value: T) => void];