9.0.1 fixes (#8505)

* Fix NRE in `GetAliasResponse`

* Regenerate client

Author: flobernd

src/Elastic.Clients.Elasticsearch/_Generated/Api/MachineLearning/GetDataFrameAnalyticsStatsRequest.g.cs

@@ -109,7 +109,7 @@ public override void Write(System.Text.Json.Utf8JsonWriter writer, Elastic.Clien
 
 /// <summary>
 /// <para>
-/// Get data frame analytics jobs usage info.
+/// Get data frame analytics job stats.
 /// </para>
 /// </summary>
 [System.Text.Json.Serialization.JsonConverter(typeof(Elastic.Clients.Elasticsearch.MachineLearning.GetDataFrameAnalyticsStatsRequestConverter))]
@@ -206,7 +206,7 @@ internal GetDataFrameAnalyticsStatsRequest(Elastic.Clients.Elasticsearch.Seriali
 
 /// <summary>
 /// <para>
-/// Get data frame analytics jobs usage info.
+/// Get data frame analytics job stats.
 /// </para>
 /// </summary>
 public readonly partial struct GetDataFrameAnalyticsStatsRequestDescriptor

src/Elastic.Clients.Elasticsearch/_Generated/Api/MachineLearning/GetDatafeedStatsRequest.g.cs

@@ -87,7 +87,7 @@ public override void Write(System.Text.Json.Utf8JsonWriter writer, Elastic.Clien
 
 /// <summary>
 /// <para>
-/// Get datafeeds usage info.
+/// Get datafeed stats.
 /// You can get statistics for multiple datafeeds in a single API request by
 /// using a comma-separated list of datafeeds or a wildcard expression. You can
 /// get statistics for all datafeeds by using <c>_all</c>, by specifying <c>*</c> as the
@@ -168,7 +168,7 @@ internal GetDatafeedStatsRequest(Elastic.Clients.Elasticsearch.Serialization.Jso
 
 /// <summary>
 /// <para>
-/// Get datafeeds usage info.
+/// Get datafeed stats.
 /// You can get statistics for multiple datafeeds in a single API request by
 /// using a comma-separated list of datafeeds or a wildcard expression. You can
 /// get statistics for all datafeeds by using <c>_all</c>, by specifying <c>*</c> as the

src/Elastic.Clients.Elasticsearch/_Generated/Api/MachineLearning/GetJobStatsRequest.g.cs

@@ -87,7 +87,7 @@ public override void Write(System.Text.Json.Utf8JsonWriter writer, Elastic.Clien
 
 /// <summary>
 /// <para>
-/// Get anomaly detection jobs usage info.
+/// Get anomaly detection job stats.
 /// </para>
 /// </summary>
 [System.Text.Json.Serialization.JsonConverter(typeof(Elastic.Clients.Elasticsearch.MachineLearning.GetJobStatsRequestConverter))]
@@ -163,7 +163,7 @@ internal GetJobStatsRequest(Elastic.Clients.Elasticsearch.Serialization.JsonCons
 
 /// <summary>
 /// <para>
-/// Get anomaly detection jobs usage info.
+/// Get anomaly detection job stats.
 /// </para>
 /// </summary>
 public readonly partial struct GetJobStatsRequestDescriptor

src/Elastic.Clients.Elasticsearch/_Generated/Types/Core/RankEval/RankEvalMetricDiscountedCumulativeGain.g.cs

@@ -75,7 +75,7 @@ public override void Write(System.Text.Json.Utf8JsonWriter writer, Elastic.Clien
 /// <para>
 /// Discounted cumulative gain (DCG)
 /// </para>
-/// <para><see href="https://www.elastic.co/guide/en/elasticsearch/reference/8.18/search-rank-eval.html">Learn more about this API in the Elasticsearch documentation.</see></para>
+/// <para><see href="https://www.elastic.co/docs/reference/elasticsearch/rest-apis/search-rank-eval#_discounted_cumulative_gain_dcg">Learn more about this API in the Elasticsearch documentation.</see></para>
 /// </summary>
 [System.Text.Json.Serialization.JsonConverter(typeof(Elastic.Clients.Elasticsearch.Core.RankEval.RankEvalMetricDiscountedCumulativeGainConverter))]
 public sealed partial class RankEvalMetricDiscountedCumulativeGain
@@ -115,7 +115,7 @@ internal RankEvalMetricDiscountedCumulativeGain(Elastic.Clients.Elasticsearch.Se
 /// <para>
 /// Discounted cumulative gain (DCG)
 /// </para>
-/// <para><see href="https://www.elastic.co/guide/en/elasticsearch/reference/8.18/search-rank-eval.html">Learn more about this API in the Elasticsearch documentation.</see></para>
+/// <para><see href="https://www.elastic.co/docs/reference/elasticsearch/rest-apis/search-rank-eval#_discounted_cumulative_gain_dcg">Learn more about this API in the Elasticsearch documentation.</see></para>
 /// </summary>
 public readonly partial struct RankEvalMetricDiscountedCumulativeGainDescriptor
 {

src/Elastic.Clients.Elasticsearch/_Generated/Types/Core/RankEval/RankEvalMetricMeanReciprocalRank.g.cs

@@ -75,7 +75,7 @@ public override void Write(System.Text.Json.Utf8JsonWriter writer, Elastic.Clien
 /// <para>
 /// Mean Reciprocal Rank
 /// </para>
-/// <para><see href="https://www.elastic.co/guide/en/elasticsearch/reference/8.18/search-rank-eval.html#_mean_reciprocal_rank">Learn more about this API in the Elasticsearch documentation.</see></para>
+/// <para><see href="https://www.elastic.co/docs/reference/elasticsearch/rest-apis/search-rank-eval#_mean_reciprocal_rank">Learn more about this API in the Elasticsearch documentation.</see></para>
 /// </summary>
 [System.Text.Json.Serialization.JsonConverter(typeof(Elastic.Clients.Elasticsearch.Core.RankEval.RankEvalMetricMeanReciprocalRankConverter))]
 public sealed partial class RankEvalMetricMeanReciprocalRank
@@ -115,7 +115,7 @@ internal RankEvalMetricMeanReciprocalRank(Elastic.Clients.Elasticsearch.Serializ
 /// <para>
 /// Mean Reciprocal Rank
 /// </para>
-/// <para><see href="https://www.elastic.co/guide/en/elasticsearch/reference/8.18/search-rank-eval.html#_mean_reciprocal_rank">Learn more about this API in the Elasticsearch documentation.</see></para>
+/// <para><see href="https://www.elastic.co/docs/reference/elasticsearch/rest-apis/search-rank-eval#_mean_reciprocal_rank">Learn more about this API in the Elasticsearch documentation.</see></para>
 /// </summary>
 public readonly partial struct RankEvalMetricMeanReciprocalRankDescriptor
 {

src/Elastic.Clients.Elasticsearch/_Generated/Types/Core/RankEval/RankEvalMetricPrecision.g.cs

@@ -84,7 +84,7 @@ public override void Write(System.Text.Json.Utf8JsonWriter writer, Elastic.Clien
 /// <para>
 /// Precision at K (P@k)
 /// </para>
-/// <para><see href="https://www.elastic.co/docs/api/doc/elasticsearch/v9/operation/operation-rank-eval#k-precision">Learn more about this API in the Elasticsearch documentation.</see></para>
+/// <para><see href="https://www.elastic.co/docs/reference/elasticsearch/rest-apis/search-rank-eval#k-precision">Learn more about this API in the Elasticsearch documentation.</see></para>
 /// </summary>
 [System.Text.Json.Serialization.JsonConverter(typeof(Elastic.Clients.Elasticsearch.Core.RankEval.RankEvalMetricPrecisionConverter))]
 public sealed partial class RankEvalMetricPrecision
@@ -131,7 +131,7 @@ internal RankEvalMetricPrecision(Elastic.Clients.Elasticsearch.Serialization.Jso
 /// <para>
 /// Precision at K (P@k)
 /// </para>
-/// <para><see href="https://www.elastic.co/docs/api/doc/elasticsearch/v9/operation/operation-rank-eval#k-precision">Learn more about this API in the Elasticsearch documentation.</see></para>
+/// <para><see href="https://www.elastic.co/docs/reference/elasticsearch/rest-apis/search-rank-eval#k-precision">Learn more about this API in the Elasticsearch documentation.</see></para>
 /// </summary>
 public readonly partial struct RankEvalMetricPrecisionDescriptor
 {

src/Elastic.Clients.Elasticsearch/_Generated/Types/Core/RankEval/RankEvalMetricRecall.g.cs

@@ -75,7 +75,7 @@ public override void Write(System.Text.Json.Utf8JsonWriter writer, Elastic.Clien
 /// <para>
 /// Recall at K (R@k)
 /// </para>
-/// <para><see href="https://www.elastic.co/guide/en/elasticsearch/reference/8.18/search-rank-eval.html#k-recall">Learn more about this API in the Elasticsearch documentation.</see></para>
+/// <para><see href="https://www.elastic.co/docs/reference/elasticsearch/rest-apis/search-rank-eval#k-recall">Learn more about this API in the Elasticsearch documentation.</see></para>
 /// </summary>
 [System.Text.Json.Serialization.JsonConverter(typeof(Elastic.Clients.Elasticsearch.Core.RankEval.RankEvalMetricRecallConverter))]
 public sealed partial class RankEvalMetricRecall
@@ -115,7 +115,7 @@ internal RankEvalMetricRecall(Elastic.Clients.Elasticsearch.Serialization.JsonCo
 /// <para>
 /// Recall at K (R@k)
 /// </para>
-/// <para><see href="https://www.elastic.co/guide/en/elasticsearch/reference/8.18/search-rank-eval.html#k-recall">Learn more about this API in the Elasticsearch documentation.</see></para>
+/// <para><see href="https://www.elastic.co/docs/reference/elasticsearch/rest-apis/search-rank-eval#k-recall">Learn more about this API in the Elasticsearch documentation.</see></para>
 /// </summary>
 public readonly partial struct RankEvalMetricRecallDescriptor
 {

src/Elastic.Clients.Elasticsearch/_Generated/Types/Core/Search/InnerHits.g.cs

@@ -78,7 +78,7 @@ public override Elastic.Clients.Elasticsearch.Core.Search.InnerHits Read(ref Sys
 				continue;
 			}
 
-			if (propFields.TryReadProperty(ref reader, options, PropFields, static Elastic.Clients.Elasticsearch.Fields? (ref System.Text.Json.Utf8JsonReader r, System.Text.Json.JsonSerializerOptions o) => r.ReadValueEx<Elastic.Clients.Elasticsearch.Fields?>(o, typeof(Elastic.Clients.Elasticsearch.Serialization.SingleOrManyFieldsMarker))))
+			if (propFields.TryReadProperty(ref reader, options, PropFields, null))
 			{
 				continue;
 			}
@@ -180,7 +180,7 @@ public override void Write(System.Text.Json.Utf8JsonWriter writer, Elastic.Clien
 		writer.WriteProperty(options, PropCollapse, value.Collapse, null, null);
 		writer.WriteProperty(options, PropDocvalueFields, value.DocvalueFields, null, static (System.Text.Json.Utf8JsonWriter w, System.Text.Json.JsonSerializerOptions o, System.Collections.Generic.ICollection<Elastic.Clients.Elasticsearch.QueryDsl.FieldAndFormat>? v) => w.WriteCollectionValue<Elastic.Clients.Elasticsearch.QueryDsl.FieldAndFormat>(o, v, null));
 		writer.WriteProperty(options, PropExplain, value.Explain, null, null);
-		writer.WriteProperty(options, PropFields, value.Fields, null, static (System.Text.Json.Utf8JsonWriter w, System.Text.Json.JsonSerializerOptions o, Elastic.Clients.Elasticsearch.Fields? v) => w.WriteValueEx<Elastic.Clients.Elasticsearch.Fields?>(o, v, typeof(Elastic.Clients.Elasticsearch.Serialization.SingleOrManyFieldsMarker)));
+		writer.WriteProperty(options, PropFields, value.Fields, null, null);
 		writer.WriteProperty(options, PropFrom, value.From, null, null);
 		writer.WriteProperty(options, PropHighlight, value.Highlight, null, null);
 		writer.WriteProperty(options, PropIgnoreUnmapped, value.IgnoreUnmapped, null, null);

src/Elastic.Clients.Elasticsearch/_Shared/Api/IndexManagement/GetAliasResponse.cs

@@ -2,9 +2,6 @@
 // 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.Collections.Generic;
-using System.Text.Json.Serialization;
-
 namespace Elastic.Clients.Elasticsearch.IndexManagement;
 
 public partial class GetAliasResponse
@@ -17,5 +14,5 @@ public partial class GetAliasResponse
 	/// the client considers the response to be valid.
 	/// </para>
 	/// </summary>
-	public override bool IsValidResponse => base.IsValidResponse || Aliases.Count > 0;
+	public override bool IsValidResponse => base.IsValidResponse || Aliases?.Count > 0;
 }