/**
 * Author: Srilal S. Siriwardhane
 * Email: SrilalS@99x.io
**/
import { Response } from '../types/Response.js';
import { Document } from '../types/Document.js';
/**
 * AbstractVectorStoreEngine class to handle the VectorStore operations.
 * Extends this class to enforce the methods.
 */
export declare abstract class AbstractVectorStoreEngine {
    /**
     * createVectorStore
     * @param dbName - The name of the database.
     * @param contents - The documents to be stored in the database.
     * @returns Response Type.
     */
    abstract createVectorStore(dbName: string, contents: Document[]): Promise<Response>;
    /**
     * searchVectorStore
     * @param query - The query to be searched.
     * @param dbName - The name of the database.
     * @param topK - The number of top results to be returned. if null,
     * will use the default value of the implementation.
     * @returns Document[] - The list of Documents.
     */
    abstract searchVectorStore(query: string, dbName: string, topK?: number): Promise<Document[]>;
}