import { CanActivate, ExecutionContext } from '@nestjs/common';
import { IAuthDefinitions } from '../../domain';
export interface IBasicAuthCredentials {
    username: string;
    password: string;
}
export declare class AuthBasicGuard implements CanActivate {
    private _credentials;
    constructor(credentials: IAuthDefinitions);
    canActivate(context: ExecutionContext): boolean;
    protected validateToken(token: string): boolean;
    protected validateLogin(username: string, password: string): boolean;
}