import type { HookHandlerDoneFunction, FastifyRequest, FastifyReply } from 'fastify';
/**
 * BasicAuthMiddleware is a middleware that checks if the request
 * is authenticated using Basic Authentication.
 *
 * If request is not authenticated, it will:
 * - Publish UnauthorizedAccessEvent.
 * - Return UnauthorizedError.
 *
 * @param {Object} expected - The expected username and password.
 * @param {string} expected.username - The expected username.
 * @param {string} expected.password - The expected password.
 * @returns The middleware function.
 * @since 1.0.0
 * @author Caique Araujo <caique@piggly.com.br>
 */
export declare const BasicAuthMiddleware: (expected: {
    password: string;
    username: string;
}) => (request: FastifyRequest, reply: FastifyReply, done: HookHandlerDoneFunction) => void;