import type { PromiseState } from "../types.js";
/**
 * Returns a promise state object to track the provided `promise`.
 * Ignores outdated promises or ones that resolve when the component got unmounted.
 * Non-promise values are immediately resolved, avoiding a second render.
 *
 * @param promise The promise to track.
 * @returns A promise state object.
 */
export declare function usePromise<T>(promise?: Promise<T> | T): PromiseState<T>;