import type { Rec, RequestResponseHandler } from '../../index.js';
import type { WithNormalizedInputHeaders, WithNormalizedOutputHeaders } from './types.js';
export declare const middleware: ({ normalizeRequestHeaders, normalizeResponseHeaders }?: {
    normalizeRequestHeaders?: boolean | undefined;
    normalizeResponseHeaders?: boolean | undefined;
}) => <I extends Rec, O extends Rec, E, R>(wrapped: RequestResponseHandler<I & WithNormalizedInputHeaders, O, E, R>) => RequestResponseHandler<I, O & WithNormalizedOutputHeaders, E, R>;
//# sourceMappingURL=index.d.ts.map