/**
 * Hook for managing controlled or uncontrolled state.
 *
 * @param controlledValue Value from props (controlled mode if defined)
 * @param defaultValue Default value for uncontrolled mode
 * @returns [currentValue, setValue] tuple
 */
export declare function useControlledValue<T>(controlledValue: T | undefined, defaultValue: T | undefined): [T | undefined, (newValue: T | undefined) => void];