import type { AgentJsonVectorStoreConfig, VectorStoreTestResult } from '@n8n/api-types'; import type { User } from '@n8n/db'; import { CredentialsService } from '../../credentials/credentials.service'; export declare class AgentVectorStoresService { private readonly credentialsService; constructor(credentialsService: CredentialsService); testConnection(projectId: string, user: User, vectorStore: AgentJsonVectorStoreConfig): Promise; private checkProviderCompatibility; }