diff --git a/src/Elastic.Clients.Elasticsearch/Client/IndicesNamespace.cs b/src/Elastic.Clients.Elasticsearch/Client/IndicesNamespace.cs
new file mode 100644
index 00000000000..187acf853cf
--- /dev/null
+++ b/src/Elastic.Clients.Elasticsearch/Client/IndicesNamespace.cs
@@ -0,0 +1,38 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information.
+
+using System.Threading.Tasks;
+using System.Threading;
+
+namespace Elastic.Clients.Elasticsearch.IndexManagement;
+
+public partial class IndicesNamespace
+{
+	/// <summary>
+	/// Refresh one or more indices. A refresh makes recent operations performed on one or more indices available for search. For data streams,
+	/// the API runs the refresh operation on the stream’s backing indices. 
+	/// </summary>
+	/// <param name="indices">The index and/or data streams to refresh.</param>
+	/// <returns>A <see cref="RefreshResponse"/> from the server.</returns>
+	public RefreshResponse Refresh(Indices indices)
+	{
+		var request = new RefreshRequest(indices);
+		request.BeforeRequest();
+		return DoRequest<RefreshRequest, RefreshResponse>(request);
+	}
+
+	/// <summary>
+	/// Refresh one or more indices. A refresh makes recent operations performed on one or more indices available for search. For data streams,
+	/// the API runs the refresh operation on the stream’s backing indices. 
+	/// </summary>
+	/// <param name="indices">The index and/or data streams to refresh.</param>
+	/// <param name="cancellationToken">A <see cref="CancellationToken"/> used to cancel the asynchronous operation.</param>
+	/// <returns>A <see cref="RefreshResponse"/> from the server.</returns>
+	public Task<RefreshResponse> RefreshAsync(Indices indices, CancellationToken cancellationToken = default)
+	{
+		var request = new RefreshRequest(indices);
+		request.BeforeRequest();
+		return DoRequestAsync<RefreshRequest, RefreshResponse>(request, cancellationToken);
+	}
+}
diff --git a/src/Elastic.Clients.Elasticsearch/_Generated/Client/ElasticsearchClient.AsyncSearch.g.cs b/src/Elastic.Clients.Elasticsearch/_Generated/Client/ElasticsearchClient.AsyncSearch.g.cs
index fcfb7f86f9e..8c140d47ecd 100644
--- a/src/Elastic.Clients.Elasticsearch/_Generated/Client/ElasticsearchClient.AsyncSearch.g.cs
+++ b/src/Elastic.Clients.Elasticsearch/_Generated/Client/ElasticsearchClient.AsyncSearch.g.cs
@@ -21,7 +21,7 @@
 
 #nullable restore
 namespace Elastic.Clients.Elasticsearch.AsyncSearch;
-public class AsyncSearchNamespace : NamespacedClientProxy
+public sealed partial class AsyncSearchNamespace : NamespacedClientProxy
 {
 	internal AsyncSearchNamespace(ElasticsearchClient client) : base(client)
 	{
diff --git a/src/Elastic.Clients.Elasticsearch/_Generated/Client/ElasticsearchClient.Cluster.g.cs b/src/Elastic.Clients.Elasticsearch/_Generated/Client/ElasticsearchClient.Cluster.g.cs
index 519428cb15f..8ae5b74372c 100644
--- a/src/Elastic.Clients.Elasticsearch/_Generated/Client/ElasticsearchClient.Cluster.g.cs
+++ b/src/Elastic.Clients.Elasticsearch/_Generated/Client/ElasticsearchClient.Cluster.g.cs
@@ -21,7 +21,7 @@
 
 #nullable restore
 namespace Elastic.Clients.Elasticsearch.Cluster;
-public class ClusterNamespace : NamespacedClientProxy
+public sealed partial class ClusterNamespace : NamespacedClientProxy
 {
 	internal ClusterNamespace(ElasticsearchClient client) : base(client)
 	{
diff --git a/src/Elastic.Clients.Elasticsearch/_Generated/Client/ElasticsearchClient.Eql.g.cs b/src/Elastic.Clients.Elasticsearch/_Generated/Client/ElasticsearchClient.Eql.g.cs
index f5a282f2d9e..2a2a7caee9a 100644
--- a/src/Elastic.Clients.Elasticsearch/_Generated/Client/ElasticsearchClient.Eql.g.cs
+++ b/src/Elastic.Clients.Elasticsearch/_Generated/Client/ElasticsearchClient.Eql.g.cs
@@ -21,7 +21,7 @@
 
 #nullable restore
 namespace Elastic.Clients.Elasticsearch.Eql;
-public class EqlNamespace : NamespacedClientProxy
+public sealed partial class EqlNamespace : NamespacedClientProxy
 {
 	internal EqlNamespace(ElasticsearchClient client) : base(client)
 	{
diff --git a/src/Elastic.Clients.Elasticsearch/_Generated/Client/ElasticsearchClient.Indices.g.cs b/src/Elastic.Clients.Elasticsearch/_Generated/Client/ElasticsearchClient.Indices.g.cs
index 4c242a6570a..20f1338ee7a 100644
--- a/src/Elastic.Clients.Elasticsearch/_Generated/Client/ElasticsearchClient.Indices.g.cs
+++ b/src/Elastic.Clients.Elasticsearch/_Generated/Client/ElasticsearchClient.Indices.g.cs
@@ -21,7 +21,7 @@
 
 #nullable restore
 namespace Elastic.Clients.Elasticsearch.IndexManagement;
-public class IndicesNamespace : NamespacedClientProxy
+public sealed partial class IndicesNamespace : NamespacedClientProxy
 {
 	internal IndicesNamespace(ElasticsearchClient client) : base(client)
 	{
diff --git a/src/Elastic.Clients.Elasticsearch/_Generated/Client/ElasticsearchClient.Sql.g.cs b/src/Elastic.Clients.Elasticsearch/_Generated/Client/ElasticsearchClient.Sql.g.cs
index c587405594e..833b2d706df 100644
--- a/src/Elastic.Clients.Elasticsearch/_Generated/Client/ElasticsearchClient.Sql.g.cs
+++ b/src/Elastic.Clients.Elasticsearch/_Generated/Client/ElasticsearchClient.Sql.g.cs
@@ -21,7 +21,7 @@
 
 #nullable restore
 namespace Elastic.Clients.Elasticsearch.Sql;
-public class SqlNamespace : NamespacedClientProxy
+public sealed partial class SqlNamespace : NamespacedClientProxy
 {
 	internal SqlNamespace(ElasticsearchClient client) : base(client)
 	{
diff --git a/tests/Tests/Document/Multiple/DeleteByQuery/DeleteByQueryApiTests.cs b/tests/Tests/Document/Multiple/DeleteByQuery/DeleteByQueryApiTests.cs
index 6c4f4792c30..c62df5a6a28 100644
--- a/tests/Tests/Document/Multiple/DeleteByQuery/DeleteByQueryApiTests.cs
+++ b/tests/Tests/Document/Multiple/DeleteByQuery/DeleteByQueryApiTests.cs
@@ -5,7 +5,6 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using Elastic.Clients.Elasticsearch.IndexManagement;
 using Elastic.Clients.Elasticsearch.Mapping;
 using Elastic.Clients.Elasticsearch.QueryDsl;
 using Tests.Core.Extensions;
@@ -91,7 +90,7 @@ protected override void IntegrationSetup(ElasticsearchClient client, CallUniqueV
 				Client.IndexMany(Project.Projects, index);
 				var cloneIndex = index + "-clone";
 				Client.Indices.Create(cloneIndex);
-				Client.Indices.Refresh(new RefreshRequest(Infer.Index(index).And(cloneIndex)));
+				Client.Indices.Refresh(Infer.Index(index).And(cloneIndex));
 			}
 		}
 
@@ -102,7 +101,7 @@ protected override LazyResponses ClientUsage() => Calls(
 			(client, r) => client.DeleteByQueryAsync(r)
 		);
 
-		protected override void OnAfterCall(ElasticsearchClient client) => client.Indices.Refresh(new RefreshRequest(CallIsolatedValue));
+		protected override void OnAfterCall(ElasticsearchClient client) => client.Indices.Refresh(CallIsolatedValue);
 
 		protected override DeleteByQueryRequestDescriptor<Project> NewDescriptor() => new(Indices);
 
@@ -276,7 +275,7 @@ protected override void ExpectResponse(DeleteByQueryResponse response)
 
 			// Since we only executed one slice of the two, some of the documents that
 			// match the query will still exist.
-			Client.Indices.Refresh(new RefreshRequest(CallIsolatedValue));
+			Client.Indices.Refresh(CallIsolatedValue);
 
 			var countResponse = Client.Count<Project>(c => c
 				.Indices(CallIsolatedValue)
diff --git a/tests/Tests/Document/Multiple/DeleteByQueryRethrottle/DeleteByQueryRethrottleApiTests.cs b/tests/Tests/Document/Multiple/DeleteByQueryRethrottle/DeleteByQueryRethrottleApiTests.cs
index a487d208716..50939f8c0bf 100644
--- a/tests/Tests/Document/Multiple/DeleteByQueryRethrottle/DeleteByQueryRethrottleApiTests.cs
+++ b/tests/Tests/Document/Multiple/DeleteByQueryRethrottle/DeleteByQueryRethrottleApiTests.cs
@@ -48,7 +48,7 @@ protected override void IntegrationSetup(ElasticsearchClient client, CallUniqueV
 		foreach (var callUniqueValue in values)
 		{
 			client.IndexMany(Project.Projects, callUniqueValue.Value);
-			client.Indices.Refresh(new RefreshRequest(callUniqueValue.Value));
+			client.Indices.Refresh(CallIsolatedValue);
 		}
 	}
 
@@ -62,7 +62,7 @@ protected override LazyResponses ClientUsage() => Calls(
 	protected override void OnBeforeCall(ElasticsearchClient client)
 	{
 		client.IndexMany(Project.Projects, CallIsolatedValue);
-		client.Indices.Refresh(new RefreshRequest(CallIsolatedValue));
+		client.Indices.Refresh(CallIsolatedValue);
 
 		var deleteByQuery = client.DeleteByQuery<Project>(CallIsolatedValue, u => u
 			.Conflicts(Conflicts.Proceed)