import { TanssConfig } from '../types';
export interface AuthenticationResponse {
    meta: {
        text: string;
    };
    content: {
        employeeId: number;
        apiKey: string;
        expire: number;
        refresh: string;
        employeeType: string;
    };
}
export declare class TanssAuth {
    private config;
    constructor(config: TanssConfig);
    private validateConfig;
    getConfig(): TanssConfig;
    getAuthHeaders(): Record<string, string>;
    getBaseURL(): string;
    static fromEnv(): TanssAuth;
    static fromMCPConfig(config: Record<string, any>): TanssAuth;
    static authenticate(baseURL: string, username: string, password: string, token?: string): Promise<TanssAuth>;
    validateToken(): Promise<boolean>;
    refreshToken(refreshToken: string): Promise<TanssAuth>;
}