import type { CacheOptions, CacheHandle } from '../types.js';
/**
 * Creates a TTL-based cache policy that memoizes the result of the wrapped
 * async operation. Supports stale-while-revalidate for background refresh.
 *
 * Returns an object with `execute` (the policy function) and `handle`
 * (an interface to inspect / invalidate the cache).
 *
 * @example
 * ```ts
 * const c = cache({ ttl: 10_000 });
 * const result = await c.execute(() => callApi());
 * ```
 */
export declare function cache<V = unknown>(options?: CacheOptions<V>): {
    execute: <T extends V>(fn: () => Promise<T>) => Promise<T>;
    handle: CacheHandle;
};
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