/**
 * Implements a most-recently-used caching strategy with a similar
 * interface to Map.
 */
export declare class LRUCache<K, V> {
    private readonly maxCacheSize;
    private readonly store;
    constructor(maxCacheSize?: number);
    get(key: K): V | undefined;
    has(key: K): boolean;
    set(key: K, value: V): V;
    clear(): void;
}