import type { Store } from './store.ts';
export interface MemoryStoreOptions {
    /** maximum number of items the store can hold */
    maxSize?: number;
    /** time-to-live in milliseconds */
    ttl?: number;
    /** whether to automatically purge expired entries */
    ttlAutopurge?: boolean;
}
/**
 * in-memory store with optional LRU eviction and TTL expiration.
 *
 * suitable for development, testing, or single-instance deployments.
 * for production with multiple instances, use a shared store (e.g., Redis).
 */
export declare class MemoryStore<K, V> implements Store<K, V>, Disposable {
    #private;
    /**
     * creates a new in-memory store.
     *
     * @param options store configuration
     */
    constructor(options?: MemoryStoreOptions);
    /** @inheritdoc */
    get(key: K): V | undefined;
    /** @inheritdoc */
    set(key: K, value: V): void;
    /** @inheritdoc */
    delete(key: K): void;
    /** @inheritdoc */
    clear(): void;
    /**
     * stops background timers and releases resources.
     */
    dispose(): void;
    [Symbol.dispose](): void;
}
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