Generate API with specs from master

This commit updates the REST specs with the latest from
the Elasticsearch master branch and regenerates the
client API.

Author: russcam

api_generator/rest_specs/close_point_in_time.json

@@ -0,0 +1,23 @@
+{
+  "close_point_in_time":{
+    "documentation":{
+      "url":"https://www.elastic.co/guide/en/elasticsearch/reference/master/point-in-time-api.html",
+      "description":"Close a point in time"
+    },
+    "stability":"stable",
+    "url":{
+      "paths":[
+        {
+          "path":"/_pit",
+          "methods":[
+            "DELETE"
+          ]
+        }
+      ]
+    },
+    "params":{},
+    "body":{
+      "description": "a point-in-time id to close"
+    }
+  }
+}

api_generator/rest_specs/open_point_in_time.json

@@ -0,0 +1,61 @@
+{
+  "open_point_in_time":{
+    "documentation":{
+      "url":"https://www.elastic.co/guide/en/elasticsearch/reference/master/point-in-time-api.html",
+      "description":"Open a point in time that can be used in subsequent searches"
+    },
+    "stability":"stable",
+    "url":{
+      "paths":[
+        {
+          "path":"/_pit",
+          "methods":[
+            "POST"
+          ]
+        },
+        {
+          "path":"/{index}/_pit",
+          "methods":[
+            "POST"
+          ],
+          "parts":{
+            "index":{
+              "type":"list",
+              "description":"A comma-separated list of index names to open point in time; use `_all` or empty string to perform the operation on all indices"
+            }
+          }
+        }
+      ]
+    },
+    "params":{
+      "preference":{
+        "type":"string",
+        "description":"Specify the node or shard the operation should be performed on (default: random)"
+      },
+      "routing":{
+        "type":"string",
+        "description":"Specific routing value"
+      },
+      "ignore_unavailable":{
+        "type":"boolean",
+        "description":"Whether specified concrete indices should be ignored when unavailable (missing or closed)"
+      },
+      "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."
+      },
+      "keep_alive": {
+        "type": "string",
+        "description": "Specific the time to live for the point in time"
+      }
+    }
+  }
+}

elasticsearch/src/params.rs

@@ -120,7 +120,7 @@ pub enum OpType {
     Create,
 }
 #[derive(Debug, PartialEq, Deserialize, Serialize, Clone, Copy)]
-#[doc = "If `true` (the default) then refresh the affected shards to make this operation visible to search, if `wait_for` then wait for a refresh to make this operation visible to search, if `false` then do nothing with refreshes."]
+#[doc = "If `true` then refresh the affected shards to make this operation visible to search, if `wait_for` then wait for a refresh to make this operation visible to search, if `false` (the default) then do nothing with refreshes."]
 pub enum Refresh {
     #[serde(rename = "true")]
     True,