/**
 * QR Video RAG - Database Adapters
 *
 * Self-contained database adapters for the QR Video RAG system
 */
import { VectorDatabase, QRVideoStoreIndexEntry } from '../types';
/**
 * In-memory vector database adapter
 *
 * Simple implementation for testing and small datasets.
 * Uses cosine similarity for vector search.
 *
 * @param initialData Optional initial data to populate
 * @returns VectorDatabase implementation
 *
 * @example
 * ```typescript
 * const db = createInMemoryAdapter();
 * await db.upsert([...entries]);
 * const results = await db.search(embedding, 5);
 * ```
 */
export declare function createInMemoryAdapter(initialData?: QRVideoStoreIndexEntry[]): VectorDatabase;
//# sourceMappingURL=database.d.ts.map