/// <summary>
 /// Scans a backup in a storage account and returns database
 /// information etc. Should be called before calling Restore to
 /// discover what parameters are needed for the restore operation.
 /// KNOWN BUG: This has to be called against an exisingsite, otherwise
 /// will hit an error about non-existing resource.
 /// </summary>
 /// <param name='operations'>
 /// Reference to the
 /// Microsoft.Azure.Management.WebSites.IWebSiteOperations.
 /// </param>
 /// <param name='resourceGroupName'>
 /// Required. The name of the web space.
 /// </param>
 /// <param name='webSiteName'>
 /// Required. The name of the web site.
 /// </param>
 /// <param name='slotName'>
 /// Optional. The name of the slot.
 /// </param>
 /// <param name='restoreRequestEnvelope'>
 /// Required. A restore request.
 /// </param>
 /// <returns>
 /// The information gathered about a backup storaged in a storage
 /// account.
 /// </returns>
 public static Task<WebSiteRestoreDiscoverResponse> DiscoverAsync(this IWebSiteOperations operations, string resourceGroupName, string webSiteName, string slotName, RestoreRequestEnvelope restoreRequestEnvelope)
 {
     return operations.DiscoverAsync(resourceGroupName, webSiteName, slotName, restoreRequestEnvelope, CancellationToken.None);
 }
 /// <summary>
 /// Scans a backup in a storage account and returns database
 /// information etc. Should be called before calling Restore to
 /// discover what parameters are needed for the restore operation.
 /// KNOWN BUG: This has to be called against an exisingsite, otherwise
 /// will hit an error about non-existing resource.
 /// </summary>
 /// <param name='operations'>
 /// Reference to the
 /// Microsoft.Azure.Management.WebSites.IWebSiteOperations.
 /// </param>
 /// <param name='resourceGroupName'>
 /// Required. The name of the web space.
 /// </param>
 /// <param name='webSiteName'>
 /// Required. The name of the web site.
 /// </param>
 /// <param name='slotName'>
 /// Optional. The name of the slot.
 /// </param>
 /// <param name='restoreRequestEnvelope'>
 /// Required. A restore request.
 /// </param>
 /// <returns>
 /// The information gathered about a backup storaged in a storage
 /// account.
 /// </returns>
 public static WebSiteRestoreDiscoverResponse Discover(this IWebSiteOperations operations, string resourceGroupName, string webSiteName, string slotName, RestoreRequestEnvelope restoreRequestEnvelope)
 {
     return Task.Factory.StartNew((object s) => 
     {
         return ((IWebSiteOperations)s).DiscoverAsync(resourceGroupName, webSiteName, slotName, restoreRequestEnvelope);
     }
     , operations, CancellationToken.None, TaskCreationOptions.None, TaskScheduler.Default).Unwrap().GetAwaiter().GetResult();
 }