Remove ExistsResponseBase (#6895)

Author: stevejgordon

src/Elastic.Clients.Elasticsearch/Core/Response/ExistsResponseBase.cs

@@ -23,6 +23,7 @@
 
 #nullable restore
 namespace Elastic.Clients.Elasticsearch;
-public sealed partial class ExistsResponse : ExistsResponseBase
+public sealed partial class ExistsResponse : ElasticsearchResponseBase
 {
+	public bool Exists => ApiCall is { Success: true, HttpStatusCode: 200 };
 }

src/Elastic.Clients.Elasticsearch/_Generated/Api/ExistsResponse.g.cs

@@ -23,6 +23,7 @@
 
 #nullable restore
 namespace Elastic.Clients.Elasticsearch;
-public sealed partial class ExistsSourceResponse : ExistsResponseBase
+public sealed partial class ExistsSourceResponse : ElasticsearchResponseBase
 {
+	public bool Exists => ApiCall is { Success: true, HttpStatusCode: 200 };
 }

src/Elastic.Clients.Elasticsearch/_Generated/Api/ExistsSourceResponse.g.cs

@@ -23,6 +23,7 @@
 
 #nullable restore
 namespace Elastic.Clients.Elasticsearch.IndexManagement;
-public sealed partial class ExistsAliasResponse : ExistsResponseBase
+public sealed partial class ExistsAliasResponse : ElasticsearchResponseBase
 {
+	public bool Exists => ApiCall is { Success: true, HttpStatusCode: 200 };
 }

src/Elastic.Clients.Elasticsearch/_Generated/Api/IndexManagement/ExistsAliasResponse.g.cs

@@ -23,6 +23,7 @@
 
 #nullable restore
 namespace Elastic.Clients.Elasticsearch.IndexManagement;
-public sealed partial class ExistsIndexTemplateResponse : ExistsResponseBase
+public sealed partial class ExistsIndexTemplateResponse : ElasticsearchResponseBase
 {
+	public bool Exists => ApiCall is { Success: true, HttpStatusCode: 200 };
 }

src/Elastic.Clients.Elasticsearch/_Generated/Api/IndexManagement/ExistsIndexTemplateResponse.g.cs

@@ -23,6 +23,7 @@
 
 #nullable restore
 namespace Elastic.Clients.Elasticsearch.IndexManagement;
-public sealed partial class ExistsResponse : ExistsResponseBase
+public sealed partial class ExistsResponse : ElasticsearchResponseBase
 {
+	public bool Exists => ApiCall is { Success: true, HttpStatusCode: 200 };
 }

src/Elastic.Clients.Elasticsearch/_Generated/Api/IndexManagement/ExistsResponse.g.cs

@@ -23,6 +23,7 @@
 
 #nullable restore
 namespace Elastic.Clients.Elasticsearch.IndexManagement;
-public sealed partial class ExistsTemplateResponse : ExistsResponseBase
+public sealed partial class ExistsTemplateResponse : ElasticsearchResponseBase
 {
+	public bool Exists => ApiCall is { Success: true, HttpStatusCode: 200 };
 }