import { HttpApiError } from '../../HttpApiError.js';
import type { Rec, RequestResponseHandler } from '../../index.js';
export type HeaderValueAuthorizerParams = {
    readonly headerName: string;
    readonly envVarName: string;
};
export declare const middleware: (params: HeaderValueAuthorizerParams) => <I extends Rec, O extends Rec, E, R>(wrapped: RequestResponseHandler<I, O, E, R>) => RequestResponseHandler<I, O, E | HttpApiError, R>;
//# sourceMappingURL=index.d.ts.map