import { IAuthentication } from './interfaces/Authentication.js';
import { ILogger } from './interfaces/Logger.js';
/**
 * this is just a simple abstraction to provide
 * an application layer for caching credentials
 */
export declare class Authentication implements IAuthentication {
    private authenticator;
    private cache;
    private logger;
    constructor(authenticator: IAuthentication, logger: ILogger);
    authenticate(username: string, password: string): Promise<boolean>;
}