import { ICache } from "./cache";
export interface MemoizeOptions {
    /**
     * Time-To-Live (TTL) in milliseconds for a cache entry.
     */
    ttl?: number;
    /**
     * Custom cache instance that implements ICache.
     * Defaults to an in-memory cache if not provided.
     */
    cache?: ICache<string, unknown>;
    /**
     * Custom key resolver function to generate cache keys from arguments.
     * Defaults to using JSON.stringify(...args).
     */
    keyResolver?: (...args: unknown[]) => string;
}
/**
 * Wraps a function with memoization capabilities.
 * Supports both synchronous and asynchronous (Promise‑returning) functions.
 *
 * @param fn The function to memoize.
 * @param options Optional configuration for TTL, cache instance, and key resolver.
 * @returns A memoized version of the function.
 */
export declare function memoize<A extends unknown[], R>(fn: (...args: A) => R, options?: MemoizeOptions): (...args: A) => R;