import { AddUser, User } from '../models/users';
import { BaseService } from './base';
/**
 * Service for interacting with TestRail users.
 */
export declare class UserService extends BaseService {
    /**
     * Returns a list of users.
     * @param projectId - Optional project ID to filter users (Required for non-administrators)
     * @returns List of users
     * @throws {Error} - If the project is invalid (400)
     * @throws {Error} - If there are insufficient permissions (403)
     * @throws {Error} - If too many requests are made (429) - TestRail Cloud only
     * @note As of TestRail 6.6, only administrators can use this without a projectId parameter.
     * @note When projectId is provided, only returns users with explicit project access and their project-level roles.
     * @since TestRail 6.6
     */
    list(projectId?: number): Promise<User[]>;
    /**
     * Returns an existing user.
     * @param userId - The ID of the user
     * @returns The requested user
     * @throws {Error} - If the user is invalid or unknown (400)
     * @throws {Error} - If too many requests are made (429) - TestRail Cloud only
     * @note Any user can retrieve their own account information. Retrieving other users requires administrator access.
     */
    get(userId: number): Promise<User>;
    /**
     * Returns an existing user by email address.
     * @param email - The email address to get the user for
     * @returns The requested user
     * @throws {Error} - If the email address is invalid or unknown (400/404)
     * @throws {Error} - If too many requests are made (429) - TestRail Cloud only
     * @note Any user can retrieve their own account information. Retrieving other users requires administrator access.
     */
    getByEmail(email: string): Promise<User>;
    /**
     * Creates a new user.
     * @param user - The user to create
     * @returns The created user
     * @throws {Error} - If the field value is invalid (400)
     * @throws {Error} - If there is no permission to create users (403)
     * @throws {Error} - If too many requests are made (429) - TestRail Cloud only
     * @since TestRail 7.3
     */
    add(user: AddUser): Promise<User>;
    /**
     * Updates an existing user.
     * @param userId - The ID of the user to update
     * @param user - The user fields to update
     * @returns The updated user
     * @throws {Error} - If the field value is invalid (400)
     * @throws {Error} - If there is no permission to update users (403)
     * @throws {Error} - If too many requests are made (429) - TestRail Cloud only
     */
    update(userId: number, user: Partial<AddUser>): Promise<User>;
    /**
     * Returns the user for the current authentication credentials.
     * @returns The current user
     * @throws {Error} - If the user is invalid or unknown (400)
     * @throws {Error} - If too many requests are made (429) - TestRail Cloud only
     * @since TestRail 6.6
     */
    getCurrentUser(): Promise<User>;
}