private static Task <IEnumerable <Tweet> > SearchTweetsAsync(ElasticConnection connection, JsonNetSerializer serializer) { string searchCommand = Commands.Search("twitter", "tweet").Pretty(); string query = new QueryBuilder <Tweet>() .Query(qry => qry .Term(term => term .Field(tweet => tweet.User) .Value("testUser".ToLower()) // by default terms query requires lowercased values. .Boost(5) ) ).BuildBeautified(); return(connection.PostAsync(searchCommand, query) // process search results asynchronously .ContinueWith(searchTask => { OperationResult results = searchTask.Result; var searchResult = serializer.ToSearchResult <Tweet>(results); Console.WriteLine("ASYNC Search Results: \r\n"); PrintSearchResults(searchResult, searchCommand, query, results); return searchResult.Documents; })); }