/**
 * Creates a constant value over the lifecycle of a component.
 *
 * Based on `useConst` utility from `chakra-ui`.
 *
 * @see the LICENSE file at the root of this source tree:
 *   https://github.com/chakra-ui/chakra-ui/blob/6e259a1f7008a00f7be096e6b315cb9d62ef9748/packages/hooks/src/use-const.ts
 *
 * Modifications from original source:
 *   - TypeScript improvements using overload definitions
 */
export declare function useConst<T>(init: T | (() => T)): T;
export declare function useConst<T = undefined>(): T | undefined;