Return version with connected notification

pkg/analysis_server/test/integration/protocol_matchers.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 //
 // This file has been automatically generated.  Please do not edit it manually.
 // To regenerate the file, use the script
 // "pkg/analysis_server/tool/spec/generate_files".
 
 /**
  * Matchers for data types defined in the analysis server API
@@ skipping 44 matching lines @@
     "subscriptions": isListOf(isServerService)
   }));
 
 /**
  * server.setSubscriptions result
  */
 final Matcher isServerSetSubscriptionsResult = isNull;
 
 /**
  * server.connected params
+ *
+ * {
+ *   "version": String
+ * }
  */
-final Matcher isServerConnectedParams = isNull;
+final Matcher isServerConnectedParams = new LazyMatcher(() => new MatchesJsonObject(
+  "server.connected params", {
+    "version": isString
+  }));
 
 /**
  * server.error params
  *
  * {
  *   "isFatal": bool
  *   "message": String
  *   "stackTrace": String
  * }
  */
@@ skipping 2091 matching lines @@
  *
  * {
  *   "newName": String
  * }
  */
 final Matcher isRenameOptions = new LazyMatcher(() => new MatchesJsonObject(
   "rename options", {
     "newName": isString
   }));