type BoundedMapOptions = {
    maxSize: number;
    ttlMs?: number;
};
/**
 * LRU map with optional TTL. Evicts least-recently-used entries
 * when maxSize is exceeded, and expired entries on access.
 */
declare function createBoundedMap<K, V>(options: BoundedMapOptions): {
    get(key: K): V | undefined;
    has(key: K): boolean;
    set(key: K, value: V): void;
    delete(key: K): boolean;
    clear(): void;
    readonly size: number;
};
type BoundedMap<K, V> = ReturnType<typeof createBoundedMap<K, V>>;
export { createBoundedMap };
export type { BoundedMap, BoundedMapOptions };