anchor.diff:                      documentService : IDocumentService,
                       searchService : ISearchService) =
               index.Active <- true
  +            index.IndexConfiguration.CommitOnClose <- true
               indexService.AddIndex(index) |> (?)
               documentService.AddDocument(new Document(indexName = index.IndexName, id = "1")) |> (?)
   
  
positive.code:                     index : Index,
                      documentService : IDocumentService) =
              index.Active <- true
              indexService.AddIndex(index) |> (?)
              documentService.AddDocument(new Document(indexName = index.IndexName, id = "1")) |> (?)
  
  
negative.code:                     index : Index,
                      documentService : IDocumentService) =
              index.Active <- true
              index.IndexConfiguration.CommitOnClose <- true
              indexService.AddIndex(index) |> (?)
              documentService.AddDocument(new Document(indexName = index.IndexName, id = "1")) |> (?)
  
  