import { RagDB, RagResult, RagDocument } from "./interfaces.js";
/**
 * Implementation of RagDB using ChromaDB.
 */
export declare class ChromaRagDB implements RagDB {
    private client;
    private collections;
    /**
     * Creates a new instance of ChromaRagDB.
     */
    constructor(host?: string, port?: number, database?: string);
    /**
     * Gets or creates a collection in ChromaDB.
     * @param collectionName The name of the collection
     * @returns The collection object
     */
    private getCollection;
    /**
     * Stores a vector embedding with associated metadata in the specified collection.
     * @param collectionName The name of the collection to store the vector in
     * @param id Unique identifier for the vector
     * @param vector The embedding vector (array of numbers)
     * @param metadata Additional metadata to store with the vector
     */
    store(collectionName: string, id: string, vector: number[], metadata: any): Promise<void>;
    /**
     * Stores multiple vector embeddings with associated metadata in the specified collection.
     * @param collectionName The name of the collection to store the vectors in
     * @param documents Array of documents to store
     */
    storeBatch(collectionName: string, documents: RagDocument[]): Promise<void>;
    /**
     * Searches for similar vectors in the specified collection.
     * @param collectionName The name of the collection to search in
     * @param vector The query vector to search for
     * @param limit Maximum number of results to return
     * @returns Promise resolving to an array of matching records
     */
    search(collectionName: string, vector: number[], limit: number): Promise<RagResult[]>;
    /**
     * Searches for similar vectors in the specified collection using multiple query vectors.
     * @param collectionName The name of the collection to search in
     * @param vectors Array of query vectors to search for
     * @param limit Maximum number of results to return per query vector
     * @returns Promise resolving to an array of arrays of RagResult objects, one array per query vector
     */
    searchBatch(collectionName: string, vectors: number[][], limit: number): Promise<RagResult[][]>;
}