Fix cat record type

Author: codebrain

src/Nest/Cat/CatTrainedModels/CatTrainedModelsRecord.cs

@@ -64,7 +64,7 @@ public class CatTrainedModelsRecord : ICatRecord
 		/// (Default) The total number of ingest pipelines that are referencing the trained model.
 		/// </summary>
 		[DataMember(Name = "ingest.pipelines")]
-		public long? IngestPipelines { get; set; }
+		public string IngestPipelines { get; set; }
 
 		/// <summary>
 		/// The total time that is spent processing documents with the trained model.
@@ -83,7 +83,7 @@ public class CatTrainedModelsRecord : ICatRecord
 		/// complexity of the model.
 		/// </summary>
 		[DataMember(Name = "operations")]
-		public long? Operations { get; set; }
+		public string Operations { get; set; }
 
 		/// <summary>
 		/// The Elasticsearch version number in which the trained model was created.

tests/Tests/Cat/CatTrainedModels/CatTrainedModelsApiTests.cs

@@ -1,6 +1,5 @@
 using Elastic.Xunit.XunitPlumbing;
 using Elasticsearch.Net;
-using FluentAssertions;
 using Nest;
 using Tests.Core.Extensions;
 using Tests.Core.ManagedElasticsearch.Clusters;