import { Client } from '@grpc/grpc-js';
import { Collection } from './Collection';
import { Partition } from './Partition';
import { Index } from './MilvusIndex';
import { Data } from './Data';
import { User } from './User';
import { ErrorCode, GetVersionResponse, CheckHealthResponse } from './types/Response';
export declare class MilvusClient {
    client: Client;
    collectionManager: Collection;
    partitionManager: Partition;
    indexManager: Index;
    dataManager: Data;
    userManager: User;
    /**
     * Connect to milvus grpc client.
     * CollectionManager: control collection crud api
     * PartitionManager: control partition crud api
     * IndexManager: control index crud api
     * DataManager: Search | Query | Insert | Flush
     * UserManager: control user crud api
     *
     * @param address milvus address like: 127.0.0.1:19530
     * @param ssl ssl connect or not, default is false
     * @param username After created user in Milvus, username is required
     * @param password After created user in Milvus, password is required
     *
     */
    constructor(address: string, ssl?: boolean, username?: string, password?: string);
    static get sdkInfo(): {
        version: string;
        recommandMilvus: string;
    };
    /**
     * @ignore
     * Everytime build sdk will rewrite sdk.json depend on version, milvusVersion fields in package.json.
     * @returns
     */
    checkVersion(): Promise<{
        error_code: ErrorCode;
        match: boolean;
    }>;
    closeConnection(): import("@grpc/grpc-js").connectivityState;
    getVersion(): Promise<GetVersionResponse>;
    checkHealth(): Promise<CheckHealthResponse>;
}