import { KeyValueStore } from '../types';
/**
 * In-memory store implementation (for development/testing only)
 * DO NOT USE IN PRODUCTION
 */
export declare class InMemoryStore implements KeyValueStore {
    private data;
    private cleanupInterval;
    constructor();
    get(key: string): Promise<string | null>;
    set(key: string, value: string, ttl?: number): Promise<void>;
    delete(key: string): Promise<void>;
    scan(pattern: string): Promise<string[]>;
    /**
     * Cleanup expired keys
     */
    private cleanup;
    /**
     * Clear all data
     */
    clear(): void;
    /**
     * Destroy store and cleanup interval
     */
    destroy(): void;
}
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