import type { MiddlewareError } from '../../lib/MiddlewareError.js';
import type { Rec, RequestResponseHandler } from '../index.js';
import type { WithNormalizedInputHeaders } from './headersNormalizer/types.js';
export type WithUserId = {
    readonly userId: string | undefined;
};
export declare const middleware: () => <I extends Rec, O extends Rec, E, R>(wrapped: RequestResponseHandler<I & WithUserId, O, E, R>) => RequestResponseHandler<I & WithNormalizedInputHeaders, O, E | MiddlewareError, R>;
//# sourceMappingURL=basicAuthDecoder.d.ts.map