import type { MiddlewareError } from '../../lib/MiddlewareError.js';
import type { Rec, RequestResponseHandler } from '../index.js';
import { type RequestW } from '../RequestW.js';
export declare const middleware: <I extends Rec>(isBase64Encoded: (i: RequestW<I>) => boolean) => <O extends Rec, E, R>(wrapped: RequestResponseHandler<I, O, E, R>) => RequestResponseHandler<I, O, E | MiddlewareError, R>;
//# sourceMappingURL=base64BodyDecoder.d.ts.map