import { AuthenticationContext, CNDConfig } from '../types.js';
export declare class AuthenticationManager {
    private config;
    private activeSessions;
    constructor(config: CNDConfig['auth']);
    /**
     * Authenticate user with credentials
     */
    authenticate(username: string, password: string): Promise<AuthenticationContext | null>;
    /**
     * Authenticate with JWT token
     */
    authenticateToken(token: string): Promise<AuthenticationContext | null>;
    /**
     * Validate session
     */
    validateSession(sessionId: string): Promise<AuthenticationContext | null>;
    /**
     * Check if user has permission
     */
    hasPermission(context: AuthenticationContext, permission: string): boolean;
    /**
     * Check if user has role
     */
    hasRole(context: AuthenticationContext, role: string): boolean;
    /**
     * Logout user
     */
    logout(sessionId: string): Promise<boolean>;
    /**
     * Get active sessions count
     */
    getActiveSessionsCount(): number;
    /**
     * Cleanup expired sessions
     */
    cleanupExpiredSessions(): Promise<void>;
    private validateCredentials;
    private generateSessionId;
    /**
     * Generate JWT token
     */
    generateJWT(userId: string, permissions: string[], roles: string[], tenant?: string): string;
}
//# sourceMappingURL=authentication.d.ts.map