import { Client } from './Client';
import { ListCredUsersResponse, ResStatus } from './types/Response';
import { CreateUserReq, DeleteUserReq, ListUsersReq, UpdateUserReq } from './types/User';
/**
 * See all [collection operation examples](https://github.com/milvus-io/milvus-sdk-node/blob/main/example/Collection.ts).
 */
export declare class User extends Client {
    /**
     * Create user in milvus
     *
     * @param data
     *  | Property        | Type   |           Description              |
     *  | :-------------- | :----  | :-------------------------------  |
     *  | username        | String |       username        |
     *  | password        | String |       user password        |
     *
     *
     * @return
     *  | Property      | Description |
     *  | :-------------| :--------  |
     *  | error_code    | Error code number      |
     *  | reason        | Error cause|
     *
     * #### Example
     *
     * ```
     *  milvusClient.userManager.createUser({
     *    username: NAME,
     *    password: PASSWORD,
     *  });
     * ```
     */
    createUser(data: CreateUserReq): Promise<ResStatus>;
    /**
     * Update user in milvus
     *
     * @param data
     *  | Property        | Type   |           Description              |
     *  | :-------------- | :----  | :-------------------------------  |
     *  | username        | String |       username        |
     *  | password        | String |       user password        |
     *
     *
     * @return
     *  | Property      | Description |
     *  | :-------------| :--------  |
     *  | error_code    | Error code number      |
     *  | reason        | Error cause|
     *
     * #### Example
     *
     * ```
     *  milvusClient.userManager.createUser({
     *    username: NAME,
     *    password: PASSWORD,
     *  });
     * ```
     */
    updateUser(data: UpdateUserReq): Promise<ResStatus>;
    /**
     * Delete user in milvus
     *
     * @param data
     *  | Property        | Type   |           Description              |
     *  | :-------------- | :----  | :-------------------------------  |
     *  | username        | String |       username        |
     *
     *
     * @return
     *  | Property      | Description |
     *  | :-------------| :--------  |
     *  | error_code    | Error code number      |
     *  | reason        | Error cause|
     *
     * #### Example
     *
     * ```
     *  milvusClient.userManager.deleteUser({
     *    username: NAME,
     *  });
     * ```
     */
    deleteUser(data: DeleteUserReq): Promise<ResStatus>;
    /**
     * List user in milvus
     *
     * @return
     *  | Property      | Description |
     *  | :-------------| :--------  |
     *  | status        |  { error_code: number, reason: string }|
     *  | usernames    |       string[]     |
     *
     * #### Example
     *
     * ```
     *  milvusClient.userManager.listUsers();
     * ```
     */
    listUsers(data?: ListUsersReq): Promise<ListCredUsersResponse>;
}