public static IHttpMessageSigningVerificationBuilder UseFileSystemNonceStore(
            this IHttpMessageSigningVerificationBuilder builder,
            FileSystemNonceStoreSettings nonceStoreSettings)
        {
            if (builder == null)
            {
                throw new ArgumentNullException(nameof(builder));
            }
            if (nonceStoreSettings == null)
            {
                throw new ArgumentNullException(nameof(nonceStoreSettings));
            }

            return(builder.UseFileSystemNonceStore(prov => nonceStoreSettings));
        }
 public FileSystemNonceStoreSettingsTests()
 {
     _sut = new FileSystemNonceStoreSettings {
         FilePath = "C:\\ProgramData\\Nonces.xml"
     };
 }