export interface GetResolvedSigningRegionOptions {
  regionRegex: string;
  signingRegion?: string;
  useFipsEndpoint: boolean;
}
export declare const getResolvedSigningRegion: (
  hostname: string,
  {
    signingRegion,
    regionRegex,
    useFipsEndpoint,
  }: GetResolvedSigningRegionOptions
) => string | undefined;