import { AxiosInstance } from "axios";
import { LoginRequest, RegisterRequest, AuthResponse } from "../types/auth.types";
/**
 * Auth Service – Login, Register, Logout.
 * Uses token-based HTTP client for authentication endpoints.
 */
export declare class AuthService {
    private readonly httpClient;
    constructor(httpClient: AxiosInstance);
    /**
     * Login with username and password.
     *
     * @param data - Login credentials
     * @returns Auth response with access_token and user info
     * @throws {EkycError} When login fails
     */
    login(data: LoginRequest): Promise<AuthResponse>;
    /**
     * Register a new user account.
     *
     * @param data - Registration data
     * @returns Auth response with access_token and user info
     * @throws {EkycError} When registration fails
     */
    register(data: RegisterRequest): Promise<AuthResponse>;
    /**
     * Logout – clears client-side token.
     */
    logout(): Promise<void>;
}
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