import { QdrantClient } from "@qdrant/js-client-rest"; import type { Schemas as QdrantSchemas } from "@qdrant/js-client-rest"; import type { EmbeddingsInterface } from "@langchain/core/embeddings"; import { VectorStore } from "@langchain/core/vectorstores"; import { Document } from "@langchain/core/documents"; /** * @deprecated Install and import from @langchain/qdrant instead. * * Interface for the arguments that can be passed to the * `QdrantVectorStore` constructor. It includes options for specifying a * `QdrantClient` instance, the URL and API key for a Qdrant database, and * the name and configuration for a collection. */ export interface QdrantLibArgs { client?: QdrantClient; url?: string; apiKey?: string; collectionName?: string; collectionConfig?: QdrantSchemas["CreateCollection"]; customPayload?: Record[]; contentPayloadKey?: string; metadataPayloadKey?: string; } /** @deprecated Install and import from @langchain/qdrant instead. */ export type QdrantAddDocumentOptions = { customPayload: Record[]; }; /** @deprecated Install and import from @langchain/qdrant instead. */ export type QdrantFilter = QdrantSchemas["Filter"]; /** @deprecated Install and import from @langchain/qdrant instead. */ export type QdrantCondition = QdrantSchemas["FieldCondition"]; /** * @deprecated Install and import from @langchain/qdrant instead. * * Class that extends the `VectorStore` base class to interact with a * Qdrant database. It includes methods for adding documents and vectors * to the Qdrant database, searching for similar vectors, and ensuring the * existence of a collection in the database. */ export declare class QdrantVectorStore extends VectorStore { FilterType: QdrantFilter; get lc_secrets(): { [key: string]: string; }; client: QdrantClient; collectionName: string; collectionConfig?: QdrantSchemas["CreateCollection"]; contentPayloadKey: string; metadataPayloadKey: string; _vectorstoreType(): string; constructor(embeddings: EmbeddingsInterface, args: QdrantLibArgs); /** * Method to add documents to the Qdrant database. It generates vectors * from the documents using the `Embeddings` instance and then adds the * vectors to the database. * @param documents Array of `Document` instances to be added to the Qdrant database. * @param documentOptions Optional `QdrantAddDocumentOptions` which has a list of JSON objects for extra querying * @returns Promise that resolves when the documents have been added to the database. */ addDocuments(documents: Document[], documentOptions?: QdrantAddDocumentOptions): Promise; /** * Method to add vectors to the Qdrant database. Each vector is associated * with a document, which is stored as the payload for a point in the * database. * @param vectors Array of vectors to be added to the Qdrant database. * @param documents Array of `Document` instances associated with the vectors. * @param documentOptions Optional `QdrantAddDocumentOptions` which has a list of JSON objects for extra querying * @returns Promise that resolves when the vectors have been added to the database. */ addVectors(vectors: number[][], documents: Document[], documentOptions?: QdrantAddDocumentOptions): Promise; /** * Method to search for vectors in the Qdrant database that are similar to * a given query vector. The search results include the score and payload * (metadata and content) for each similar vector. * @param query Query vector to search for similar vectors in the Qdrant database. * @param k Optional number of similar vectors to return. If not specified, all similar vectors are returned. * @param filter Optional filter to apply to the search results. * @returns Promise that resolves with an array of tuples, where each tuple includes a `Document` instance and a score for a similar vector. */ similaritySearchVectorWithScore(query: number[], k?: number, filter?: this["FilterType"]): Promise<[Document, number][]>; /** * Method to ensure the existence of a collection in the Qdrant database. * If the collection does not exist, it is created. * @returns Promise that resolves when the existence of the collection has been ensured. */ ensureCollection(): Promise; /** * Static method to create a `QdrantVectorStore` instance from texts. Each * text is associated with metadata and converted to a `Document` * instance, which is then added to the Qdrant database. * @param texts Array of texts to be converted to `Document` instances and added to the Qdrant database. * @param metadatas Array or single object of metadata to be associated with the texts. * @param embeddings `Embeddings` instance used to generate vectors from the texts. * @param dbConfig `QdrantLibArgs` instance specifying the configuration for the Qdrant database. * @returns Promise that resolves with a new `QdrantVectorStore` instance. */ static fromTexts(texts: string[], metadatas: object[] | object, embeddings: EmbeddingsInterface, dbConfig: QdrantLibArgs): Promise; /** * Static method to create a `QdrantVectorStore` instance from `Document` * instances. The documents are added to the Qdrant database. * @param docs Array of `Document` instances to be added to the Qdrant database. * @param embeddings `Embeddings` instance used to generate vectors from the documents. * @param dbConfig `QdrantLibArgs` instance specifying the configuration for the Qdrant database. * @returns Promise that resolves with a new `QdrantVectorStore` instance. */ static fromDocuments(docs: Document[], embeddings: EmbeddingsInterface, dbConfig: QdrantLibArgs): Promise; /** * Static method to create a `QdrantVectorStore` instance from an existing * collection in the Qdrant database. * @param embeddings `Embeddings` instance used to generate vectors from the documents in the collection. * @param dbConfig `QdrantLibArgs` instance specifying the configuration for the Qdrant database. * @returns Promise that resolves with a new `QdrantVectorStore` instance. */ static fromExistingCollection(embeddings: EmbeddingsInterface, dbConfig: QdrantLibArgs): Promise; }