import { HttpService } from '@nestjs/axios';
import { TokenValidationResponse, UserInfo, AuthResponse, PermissionCheckResponse, RoleCheckResponse, AuthServiceConfig } from './interfaces/auth.interfaces';
export declare class AuthService {
    private readonly httpService;
    private config?;
    private readonly authServiceUrl;
    constructor(httpService: HttpService, config?: AuthServiceConfig);
    validateUser(username: string, password: string): Promise<AuthResponse>;
    validateToken(token: string): Promise<TokenValidationResponse>;
    checkPermissions(userId: string, permissions: string[]): Promise<PermissionCheckResponse>;
    checkRoles(userId: string, roles: string[]): Promise<RoleCheckResponse>;
    getUserById(userId: string): Promise<UserInfo>;
    getUserPermissions(userId: string): Promise<string[]>;
}