Fix value body request serialization (requests)

src/Elastic.Clients.Elasticsearch.Serverless/_Generated/Api/CreateRequest.g.cs

@@ -70,7 +70,7 @@ public sealed partial class CreateRequestParameters : RequestParameters
 /// <summary>
 /// <para>Adds a JSON document to the specified data stream or index and makes it searchable.<br/>If the target is an index and the document already exists, the request updates the document and increments its version.</para>
 /// </summary>
-public sealed partial class CreateRequest<TDocument> : PlainRequest<CreateRequestParameters>
+public sealed partial class CreateRequest<TDocument> : PlainRequest<CreateRequestParameters>, ISelfSerializable
 {
 	public CreateRequest(Elastic.Clients.Elasticsearch.Serverless.IndexName index, Elastic.Clients.Elasticsearch.Serverless.Id id) : base(r => r.Required("index", index).Required("id", id))
 	{
@@ -127,6 +127,11 @@ public CreateRequest(Elastic.Clients.Elasticsearch.Serverless.IndexName index, E
 	public Elastic.Clients.Elasticsearch.Serverless.WaitForActiveShards? WaitForActiveShards { get => Q<Elastic.Clients.Elasticsearch.Serverless.WaitForActiveShards?>("wait_for_active_shards"); set => Q("wait_for_active_shards", value); }
 	[JsonIgnore]
 	public TDocument Document { get; set; }
+
+	void ISelfSerializable.Serialize(Utf8JsonWriter writer, JsonSerializerOptions options, IElasticsearchClientSettings settings)
+	{
+		SourceSerialization.Serialize(Document, writer, settings.SourceSerializer);
+	}
 }
 
 /// <summary>

src/Elastic.Clients.Elasticsearch.Serverless/_Generated/Api/IndexManagement/PutIndicesSettingsRequest.g.cs

@@ -70,7 +70,7 @@ public sealed partial class PutIndicesSettingsRequestParameters : RequestParamet
 /// <summary>
 /// <para>Changes a dynamic index setting in real time. For data streams, index setting<br/>changes are applied to all backing indices by default.</para>
 /// </summary>
-public sealed partial class PutIndicesSettingsRequest : PlainRequest<PutIndicesSettingsRequestParameters>
+public sealed partial class PutIndicesSettingsRequest : PlainRequest<PutIndicesSettingsRequestParameters>, ISelfSerializable
 {
 	public PutIndicesSettingsRequest()
 	{
@@ -131,6 +131,11 @@ public PutIndicesSettingsRequest(Elastic.Clients.Elasticsearch.Serverless.Indice
 	public Elastic.Clients.Elasticsearch.Serverless.Duration? Timeout { get => Q<Elastic.Clients.Elasticsearch.Serverless.Duration?>("timeout"); set => Q("timeout", value); }
 	[JsonIgnore]
 	public Elastic.Clients.Elasticsearch.Serverless.IndexManagement.IndexSettings Settings { get; set; }
+
+	void ISelfSerializable.Serialize(Utf8JsonWriter writer, JsonSerializerOptions options, IElasticsearchClientSettings settings)
+	{
+		JsonSerializer.Serialize(writer, Settings, options);
+	}
 }
 
 /// <summary>

src/Elastic.Clients.Elasticsearch.Serverless/_Generated/Api/IndexRequest.g.cs

@@ -90,7 +90,7 @@ public sealed partial class IndexRequestParameters : RequestParameters
 /// <summary>
 /// <para>Adds a JSON document to the specified data stream or index and makes it searchable.<br/>If the target is an index and the document already exists, the request updates the document and increments its version.</para>
 /// </summary>
-public sealed partial class IndexRequest<TDocument> : PlainRequest<IndexRequestParameters>
+public sealed partial class IndexRequest<TDocument> : PlainRequest<IndexRequestParameters>, ISelfSerializable
 {
 	public IndexRequest(Elastic.Clients.Elasticsearch.Serverless.IndexName index, Elastic.Clients.Elasticsearch.Serverless.Id? id) : base(r => r.Required("index", index).Optional("id", id))
 	{
@@ -175,6 +175,11 @@ public IndexRequest(Elastic.Clients.Elasticsearch.Serverless.IndexName index) :
 	public Elastic.Clients.Elasticsearch.Serverless.WaitForActiveShards? WaitForActiveShards { get => Q<Elastic.Clients.Elasticsearch.Serverless.WaitForActiveShards?>("wait_for_active_shards"); set => Q("wait_for_active_shards", value); }
 	[JsonIgnore]
 	public TDocument Document { get; set; }
+
+	void ISelfSerializable.Serialize(Utf8JsonWriter writer, JsonSerializerOptions options, IElasticsearchClientSettings settings)
+	{
+		SourceSerialization.Serialize(Document, writer, settings.SourceSerializer);
+	}
 }
 
 /// <summary>

src/Elastic.Clients.Elasticsearch.Serverless/_Generated/Api/MachineLearning/ValidateDetectorRequest.g.cs

@@ -36,7 +36,7 @@ public sealed partial class ValidateDetectorRequestParameters : RequestParameter
 /// <summary>
 /// <para>Validates an anomaly detection detector.</para>
 /// </summary>
-public sealed partial class ValidateDetectorRequest : PlainRequest<ValidateDetectorRequestParameters>
+public sealed partial class ValidateDetectorRequest : PlainRequest<ValidateDetectorRequestParameters>, ISelfSerializable
 {
 	internal override ApiUrls ApiUrls => ApiUrlLookup.MachineLearningValidateDetector;
 
@@ -48,6 +48,11 @@ public sealed partial class ValidateDetectorRequest : PlainRequest<ValidateDetec
 
 	[JsonIgnore]
 	public Elastic.Clients.Elasticsearch.Serverless.MachineLearning.Detector Detector { get; set; }
+
+	void ISelfSerializable.Serialize(Utf8JsonWriter writer, JsonSerializerOptions options, IElasticsearchClientSettings settings)
+	{
+		JsonSerializer.Serialize(writer, Detector, options);
+	}
 }
 
 /// <summary>

src/Elastic.Clients.Elasticsearch.Serverless/_Generated/Api/Snapshot/CreateRepositoryRequest.g.cs

@@ -50,7 +50,7 @@ public sealed partial class CreateRepositoryRequestParameters : RequestParameter
 /// <summary>
 /// <para>Creates a repository.</para>
 /// </summary>
-public sealed partial class CreateRepositoryRequest : PlainRequest<CreateRepositoryRequestParameters>
+public sealed partial class CreateRepositoryRequest : PlainRequest<CreateRepositoryRequestParameters>, ISelfSerializable
 {
 	public CreateRepositoryRequest(Elastic.Clients.Elasticsearch.Serverless.Name name) : base(r => r.Required("repository", name))
 	{
@@ -83,6 +83,11 @@ public CreateRepositoryRequest(Elastic.Clients.Elasticsearch.Serverless.Name nam
 	public bool? Verify { get => Q<bool?>("verify"); set => Q("verify", value); }
 	[JsonIgnore]
 	public Elastic.Clients.Elasticsearch.Serverless.Snapshot.IRepository Repository { get; set; }
+
+	void ISelfSerializable.Serialize(Utf8JsonWriter writer, JsonSerializerOptions options, IElasticsearchClientSettings settings)
+	{
+		JsonSerializer.Serialize(writer, Repository, options);
+	}
 }
 
 /// <summary>

src/Elastic.Clients.Elasticsearch.Shared/Api/CreateRequest.cs

@@ -2,21 +2,13 @@
 // 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.
 
-#if ELASTICSEARCH_SERVERLESS
-using Elastic.Clients.Elasticsearch.Serverless.Serialization;
-#else
-using Elastic.Clients.Elasticsearch.Serialization;
-#endif
-using Elastic.Transport;
-using System.Text.Json;
-
 #if ELASTICSEARCH_SERVERLESS
 namespace Elastic.Clients.Elasticsearch.Serverless;
 #else
 namespace Elastic.Clients.Elasticsearch;
 #endif
 
-public sealed partial class CreateRequest<TDocument> : ICustomJsonWriter
+public sealed partial class CreateRequest<TDocument>
 {
 
 	public CreateRequest(Id id) : this(typeof(TDocument), id)
@@ -26,6 +18,4 @@ public CreateRequest(Id id) : this(typeof(TDocument), id)
 	public CreateRequest(TDocument documentWithId, IndexName index = null, Id id = null)
 		: this(index ?? typeof(TDocument), id ?? Id.From(documentWithId)) =>
 			Document = documentWithId;
-
-	public void WriteJson(Utf8JsonWriter writer, Serializer sourceSerializer) => SourceSerialization.Serialize(Document, writer, sourceSerializer);
 }

src/Elastic.Clients.Elasticsearch.Shared/Api/IndexRequest.cs

@@ -2,18 +2,12 @@
 // 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.Text.Json;
 using System.Text.Json.Serialization;
 #if ELASTICSEARCH_SERVERLESS
 using Elastic.Clients.Elasticsearch.Serverless.Requests;
 #else
 using Elastic.Clients.Elasticsearch.Requests;
 #endif
-#if ELASTICSEARCH_SERVERLESS
-using Elastic.Clients.Elasticsearch.Serverless.Serialization;
-#else
-using Elastic.Clients.Elasticsearch.Serialization;
-#endif
 using Elastic.Transport;
 
 #if ELASTICSEARCH_SERVERLESS
@@ -22,7 +16,7 @@ namespace Elastic.Clients.Elasticsearch.Serverless;
 namespace Elastic.Clients.Elasticsearch;
 #endif
 
-public partial class IndexRequest<TDocument> : ICustomJsonWriter
+public partial class IndexRequest<TDocument>
 {
 	public IndexRequest() : this(typeof(TDocument)) { }
 
@@ -36,17 +30,13 @@ public partial class IndexRequest<TDocument> : ICustomJsonWriter
 
 	[JsonIgnore] private Id? Id => RouteValues.Get<Id>("id");
 
-	void ICustomJsonWriter.WriteJson(Utf8JsonWriter writer, Serializer sourceSerializer) => SourceSerialization.Serialize(Document, writer, sourceSerializer);
-
 	internal static HttpMethod GetHttpMethod(IndexRequest<TDocument> request) =>
 		request.Id?.StringOrLongValue != null || request.RouteValues.ContainsId ? HttpMethod.PUT : HttpMethod.POST;
 }
 
-public sealed partial class IndexRequestDescriptor<TDocument> : ICustomJsonWriter
+public sealed partial class IndexRequestDescriptor<TDocument>
 {
 	internal Id _id;
 
-	public void WriteJson(Utf8JsonWriter writer, Serializer sourceSerializer) => SourceSerialization.Serialize(DocumentValue, writer, sourceSerializer);
-
 	protected override HttpMethod? DynamicHttpMethod => _id is not null || RouteValues.ContainsId ? HttpMethod.PUT : HttpMethod.POST;
 }

src/Elastic.Clients.Elasticsearch.Shared/Serialization/DefaultRequestResponseSerializer.cs

@@ -35,7 +35,6 @@ public DefaultRequestResponseSerializer(IElasticsearchClientSettings settings) :
 					new KeyValuePairConverterFactory(settings),
 					new ObjectToInferredTypesConverter(),
 					new SourceConverterFactory(settings),
-					new CustomJsonWriterConverterFactory(settings),
 					new SelfSerializableConverterFactory(settings),
 					new SelfDeserializableConverterFactory(settings),
 					new SelfTwoWaySerializableConverterFactory(settings),

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

@@ -70,7 +70,7 @@ public sealed partial class CreateRequestParameters : RequestParameters
 /// <summary>
 /// <para>Adds a JSON document to the specified data stream or index and makes it searchable.<br/>If the target is an index and the document already exists, the request updates the document and increments its version.</para>
 /// </summary>
-public sealed partial class CreateRequest<TDocument> : PlainRequest<CreateRequestParameters>
+public sealed partial class CreateRequest<TDocument> : PlainRequest<CreateRequestParameters>, ISelfSerializable
 {
 	public CreateRequest(Elastic.Clients.Elasticsearch.IndexName index, Elastic.Clients.Elasticsearch.Id id) : base(r => r.Required("index", index).Required("id", id))
 	{
@@ -127,6 +127,11 @@ public CreateRequest(Elastic.Clients.Elasticsearch.IndexName index, Elastic.Clie
 	public Elastic.Clients.Elasticsearch.WaitForActiveShards? WaitForActiveShards { get => Q<Elastic.Clients.Elasticsearch.WaitForActiveShards?>("wait_for_active_shards"); set => Q("wait_for_active_shards", value); }
 	[JsonIgnore]
 	public TDocument Document { get; set; }
+
+	void ISelfSerializable.Serialize(Utf8JsonWriter writer, JsonSerializerOptions options, IElasticsearchClientSettings settings)
+	{
+		SourceSerialization.Serialize(Document, writer, settings.SourceSerializer);
+	}
 }
 
 /// <summary>

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

@@ -36,7 +36,7 @@ public sealed partial class DownsampleRequestParameters : RequestParameters
 /// <summary>
 /// <para>Aggregates a time series (TSDS) index and stores pre-computed statistical summaries (`min`, `max`, `sum`, `value_count` and `avg`) for each metric field grouped by a configured time interval.</para>
 /// </summary>
-public sealed partial class DownsampleRequest : PlainRequest<DownsampleRequestParameters>
+public sealed partial class DownsampleRequest : PlainRequest<DownsampleRequestParameters>, ISelfSerializable
 {
 	public DownsampleRequest(Elastic.Clients.Elasticsearch.IndexName index, Elastic.Clients.Elasticsearch.IndexName targetIndex) : base(r => r.Required("index", index).Required("target_index", targetIndex))
 	{
@@ -52,6 +52,11 @@ public DownsampleRequest(Elastic.Clients.Elasticsearch.IndexName index, Elastic.
 
 	[JsonIgnore]
 	public Elastic.Clients.Elasticsearch.IndexManagement.DownsampleConfig Config { get; set; }
+
+	void ISelfSerializable.Serialize(Utf8JsonWriter writer, JsonSerializerOptions options, IElasticsearchClientSettings settings)
+	{
+		JsonSerializer.Serialize(writer, Config, options);
+	}
 }
 
 /// <summary>

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

@@ -70,7 +70,7 @@ public sealed partial class PutIndicesSettingsRequestParameters : RequestParamet
 /// <summary>
 /// <para>Changes a dynamic index setting in real time. For data streams, index setting<br/>changes are applied to all backing indices by default.</para>
 /// </summary>
-public sealed partial class PutIndicesSettingsRequest : PlainRequest<PutIndicesSettingsRequestParameters>
+public sealed partial class PutIndicesSettingsRequest : PlainRequest<PutIndicesSettingsRequestParameters>, ISelfSerializable
 {
 	public PutIndicesSettingsRequest()
 	{
@@ -131,6 +131,11 @@ public PutIndicesSettingsRequest(Elastic.Clients.Elasticsearch.Indices? indices)
 	public Elastic.Clients.Elasticsearch.Duration? Timeout { get => Q<Elastic.Clients.Elasticsearch.Duration?>("timeout"); set => Q("timeout", value); }
 	[JsonIgnore]
 	public Elastic.Clients.Elasticsearch.IndexManagement.IndexSettings Settings { get; set; }
+
+	void ISelfSerializable.Serialize(Utf8JsonWriter writer, JsonSerializerOptions options, IElasticsearchClientSettings settings)
+	{
+		JsonSerializer.Serialize(writer, Settings, options);
+	}
 }
 
 /// <summary>

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

@@ -90,7 +90,7 @@ public sealed partial class IndexRequestParameters : RequestParameters
 /// <summary>
 /// <para>Adds a JSON document to the specified data stream or index and makes it searchable.<br/>If the target is an index and the document already exists, the request updates the document and increments its version.</para>
 /// </summary>
-public sealed partial class IndexRequest<TDocument> : PlainRequest<IndexRequestParameters>
+public sealed partial class IndexRequest<TDocument> : PlainRequest<IndexRequestParameters>, ISelfSerializable
 {
 	public IndexRequest(Elastic.Clients.Elasticsearch.IndexName index, Elastic.Clients.Elasticsearch.Id? id) : base(r => r.Required("index", index).Optional("id", id))
 	{
@@ -175,6 +175,11 @@ public IndexRequest(Elastic.Clients.Elasticsearch.IndexName index) : base(r => r
 	public Elastic.Clients.Elasticsearch.WaitForActiveShards? WaitForActiveShards { get => Q<Elastic.Clients.Elasticsearch.WaitForActiveShards?>("wait_for_active_shards"); set => Q("wait_for_active_shards", value); }
 	[JsonIgnore]
 	public TDocument Document { get; set; }
+
+	void ISelfSerializable.Serialize(Utf8JsonWriter writer, JsonSerializerOptions options, IElasticsearchClientSettings settings)
+	{
+		SourceSerialization.Serialize(Document, writer, settings.SourceSerializer);
+	}
 }
 
 /// <summary>

src/Elastic.Clients.Elasticsearch/_Generated/Api/Inference/PutModelRequest.g.cs

@@ -36,7 +36,7 @@ public sealed partial class PutModelRequestParameters : RequestParameters
 /// <summary>
 /// <para>Create an inference service model</para>
 /// </summary>
-public sealed partial class PutModelRequest : PlainRequest<PutModelRequestParameters>
+public sealed partial class PutModelRequest : PlainRequest<PutModelRequestParameters>, ISelfSerializable
 {
 	public PutModelRequest(Elastic.Clients.Elasticsearch.Id inferenceId) : base(r => r.Required("inference_id", inferenceId))
 	{
@@ -56,6 +56,11 @@ public PutModelRequest(Elastic.Clients.Elasticsearch.Inference.TaskType? taskTyp
 
 	[JsonIgnore]
 	public Elastic.Clients.Elasticsearch.Inference.ModelConfig ModelConfig { get; set; }
+
+	void ISelfSerializable.Serialize(Utf8JsonWriter writer, JsonSerializerOptions options, IElasticsearchClientSettings settings)
+	{
+		JsonSerializer.Serialize(writer, ModelConfig, options);
+	}
 }
 
 /// <summary>