Update rest-api-spec

Author: pquentin

output/schema/schema.json

@@ -5,8 +5,7 @@
       "description": "Gets a data stream's mappings"
     },
     "stability": "stable",
-    "visibility": "feature_flag",
-    "feature_flag": "logs_stream",
+    "visibility": "public",
     "headers": {
       "accept": ["application/json"]
     },

specification/_json_spec/indices.get_data_stream_mappings.json

@@ -5,8 +5,7 @@
       "description": "Updates a data stream's mappings"
     },
     "stability": "stable",
-    "visibility": "feature_flag",
-    "feature_flag": "logs_stream",
+    "visibility": "public",
     "headers": {
       "accept": ["application/json"]
     },

specification/_json_spec/indices.put_data_stream_mappings.json

@@ -35,7 +35,8 @@
       },
       "merge_type": {
         "type": "string",
-        "description": "The method to be used when merging mapping_additions existing mappings"
+        "description": "The mapping merge type if mapping overrides are being provided in mapping_addition. The allowed values are one of index or template. The index option merges mappings the way they would be merged into an existing index. The template option merges mappings the way they would be merged into a template.",
+        "default": "index"
       }
     },
     "body": {

specification/_json_spec/simulate.ingest.json

@@ -0,0 +1,31 @@
+{
+  "transform.set_upgrade_mode": {
+    "documentation": {
+      "url": "https://www.elastic.co/guide/en/elasticsearch/reference/current/transform-set-upgrade-mode.html",
+      "description": "Sets a cluster wide upgrade_mode setting that prepares transform indices for an upgrade."
+    },
+    "stability": "stable",
+    "visibility": "public",
+    "headers": {
+      "accept": ["application/json"]
+    },
+    "url": {
+      "paths": [
+        {
+          "path": "/_transform/set_upgrade_mode",
+          "methods": ["POST"]
+        }
+      ]
+    },
+    "params": {
+      "enabled": {
+        "type": "boolean",
+        "description": "Whether to enable upgrade_mode Transform setting or not. Defaults to false."
+      },
+      "timeout": {
+        "type": "time",
+        "description": "Controls the time to wait before action times out. Defaults to 30 seconds"
+      }
+    }
+  }
+}