/// <summary>Snippet for PreviewRealmUpdate</summary>
 public void PreviewRealmUpdateRequestObject()
 {
     // Snippet: PreviewRealmUpdate(PreviewRealmUpdateRequest, CallSettings)
     // Create client
     RealmsServiceClient realmsServiceClient = RealmsServiceClient.Create();
     // Initialize request argument(s)
     PreviewRealmUpdateRequest request = new PreviewRealmUpdateRequest
     {
         Realm       = new Realm(),
         UpdateMask  = new FieldMask(),
         PreviewTime = new Timestamp(),
     };
     // Make the request
     PreviewRealmUpdateResponse response = realmsServiceClient.PreviewRealmUpdate(request);
     // End snippet
 }