import { IHttpRequest } from "@smithy/protocol-http";
import {
  AuthScheme,
  AwsCredentialIdentity,
  FinalizeRequestMiddleware,
  Pluggable,
  RequestSigner,
} from "@smithy/types";
interface SigningProperties {
  signingRegion: string;
  signingDate: Date;
  signingService: string;
}
interface PreviouslyResolved {
  signer: (authScheme?: AuthScheme | undefined) => Promise<
    RequestSigner & {
      signWithCredentials(
        req: IHttpRequest,
        identity: AwsCredentialIdentity,
        opts?: Partial<SigningProperties>
      ): Promise<IHttpRequest>;
    }
  >;
}
export declare const s3ExpressHttpSigningMiddlewareOptions: import("@smithy/types").FinalizeRequestHandlerOptions &
  import("@smithy/types").RelativeLocation &
  Pick<
    import("@smithy/types").HandlerOptions,
    Exclude<keyof import("@smithy/types").HandlerOptions, "step">
  >;
export declare const s3ExpressHttpSigningMiddleware: <
  Input extends object,
  Output extends object
>(
  config: PreviouslyResolved
) => FinalizeRequestMiddleware<any, any>;
export declare const getS3ExpressHttpSigningPlugin: (config: {
  signer: (authScheme?: AuthScheme | undefined) => Promise<RequestSigner>;
}) => Pluggable<any, any>;
export {};