[codegen] 7.x synchronization (#5884)

Co-authored-by: Mpdreamz <Mpdreamz@users.noreply.github.com>

Author: github-actions[bot]

src/ApiGenerator/RestSpecification/Core/indices.field_usage_stats.json

@@ -0,0 +1,57 @@
+{
+  "indices.field_usage_stats": {
+    "documentation": {
+      "url": "https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-field-usage-stats.html",
+      "description": "Returns the field usage stats for each field of an index"
+    },
+    "stability": "experimental",
+    "visibility": "public",
+    "headers": {
+      "accept": [
+        "application/json"
+      ]
+    },
+    "url": {
+      "paths": [
+        {
+          "path": "/{index}/_field_usage_stats",
+          "methods": [
+            "GET"
+          ],
+          "parts": {
+            "index": {
+              "type": "string",
+              "description": "A comma-separated list of index names; use `_all` or empty string to perform the operation on all indices"
+            }
+          }
+        }
+      ]
+    },
+    "params": {
+      "fields":{
+        "type":"list",
+        "description":"A comma-separated list of fields to include in the stats if only a subset of fields should be returned (supports wildcards)"
+      },
+      "ignore_unavailable": {
+        "type": "boolean",
+        "description": "Whether specified concrete indices should be ignored when unavailable (missing or closed)"
+      },
+      "allow_no_indices": {
+        "type": "boolean",
+        "description": "Whether to ignore if a wildcard indices expression resolves into no concrete indices. (This includes `_all` string or when no indices have been specified)"
+      },
+      "expand_wildcards": {
+        "type": "enum",
+        "options": [
+          "open",
+          "closed",
+          "hidden",
+          "none",
+          "all"
+        ],
+        "default": "open",
+        "description": "Whether to expand wildcard expression to concrete indices that are open, closed or both."
+      }
+    }
+  }
+}

src/Elasticsearch.Net/Api/RequestParameters/RequestParameters.Indices.cs

@@ -612,6 +612,43 @@ public bool? Local
 		}
 	}
 
+	///<summary>Request options for FieldUsageStats <para>https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-field-usage-stats.html</para></summary>
+	public class FieldUsageStatsRequestParameters : RequestParameters<FieldUsageStatsRequestParameters>
+	{
+		public override HttpMethod DefaultHttpMethod => HttpMethod.GET;
+		public override bool SupportsBody => false;
+		///<summary>
+		/// Whether to ignore if a wildcard indices expression resolves into no concrete indices. (This includes `_all` string or when no indices have
+		/// been specified)
+		///</summary>
+		public bool? AllowNoIndices
+		{
+			get => Q<bool? >("allow_no_indices");
+			set => Q("allow_no_indices", value);
+		}
+
+		///<summary>Whether to expand wildcard expression to concrete indices that are open, closed or both.</summary>
+		public ExpandWildcards? ExpandWildcards
+		{
+			get => Q<ExpandWildcards? >("expand_wildcards");
+			set => Q("expand_wildcards", value);
+		}
+
+		///<summary>A comma-separated list of fields to include in the stats if only a subset of fields should be returned (supports wildcards)</summary>
+		public string[] Fields
+		{
+			get => Q<string[]>("fields");
+			set => Q("fields", value);
+		}
+
+		///<summary>Whether specified concrete indices should be ignored when unavailable (missing or closed)</summary>
+		public bool? IgnoreUnavailable
+		{
+			get => Q<bool? >("ignore_unavailable");
+			set => Q("ignore_unavailable", value);
+		}
+	}
+
 	///<summary>Request options for Flush <para>https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-flush.html</para></summary>
 	public class FlushRequestParameters : RequestParameters<FlushRequestParameters>
 	{

src/Elasticsearch.Net/ElasticLowLevelClient.Indices.cs

@@ -313,6 +313,19 @@ public TResponse TypeExists<TResponse>(string index, string type, TypeExistsRequ
 		[MapsApi("indices.exists_type", "index, type")]
 		public Task<TResponse> TypeExistsAsync<TResponse>(string index, string type, TypeExistsRequestParameters requestParameters = null, CancellationToken ctx = default)
 			where TResponse : class, IElasticsearchResponse, new() => DoRequestAsync<TResponse>(HEAD, Url($"{index:index}/_mapping/{type:type}"), ctx, null, RequestParams(requestParameters));
+		///<summary>GET on /{index}/_field_usage_stats <para>https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-field-usage-stats.html</para></summary>
+		///<param name = "index">A comma-separated list of index names; use the special string `_all` or Indices.All to perform the operation on all indices</param>
+		///<param name = "requestParameters">Request specific configuration such as querystring parameters &amp; request specific connection settings.</param>
+		///<remarks>Note: Experimental within the Elasticsearch server, this functionality is Experimental and may be changed or removed completely in a future release. Elastic will take a best effort approach to fix any issues, but experimental features are not subject to the support SLA of official GA features. This functionality is subject to potential breaking changes within a minor version, meaning that your referencing code may break when this library is upgraded.</remarks>
+		public TResponse FieldUsageStats<TResponse>(string index, FieldUsageStatsRequestParameters requestParameters = null)
+			where TResponse : class, IElasticsearchResponse, new() => DoRequest<TResponse>(GET, Url($"{index:index}/_field_usage_stats"), null, RequestParams(requestParameters));
+		///<summary>GET on /{index}/_field_usage_stats <para>https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-field-usage-stats.html</para></summary>
+		///<param name = "index">A comma-separated list of index names; use the special string `_all` or Indices.All to perform the operation on all indices</param>
+		///<param name = "requestParameters">Request specific configuration such as querystring parameters &amp; request specific connection settings.</param>
+		///<remarks>Note: Experimental within the Elasticsearch server, this functionality is Experimental and may be changed or removed completely in a future release. Elastic will take a best effort approach to fix any issues, but experimental features are not subject to the support SLA of official GA features. This functionality is subject to potential breaking changes within a minor version, meaning that your referencing code may break when this library is upgraded.</remarks>
+		[MapsApi("indices.field_usage_stats", "index")]
+		public Task<TResponse> FieldUsageStatsAsync<TResponse>(string index, FieldUsageStatsRequestParameters requestParameters = null, CancellationToken ctx = default)
+			where TResponse : class, IElasticsearchResponse, new() => DoRequestAsync<TResponse>(GET, Url($"{index:index}/_field_usage_stats"), ctx, null, RequestParams(requestParameters));
 		///<summary>POST on /_flush <para>https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-flush.html</para></summary>
 		///<param name = "requestParameters">Request specific configuration such as querystring parameters &amp; request specific connection settings.</param>
 		public TResponse FlushForAll<TResponse>(FlushRequestParameters requestParameters = null)