Addition of AnalysisServer.isSocketOpen for clients to know if the server is still running.

pkg/analysis_server/lib/src/generated_protocol.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".
 
 part of protocol;
 /**
@@ skipping 5821 matching lines @@
    * if the suggested element is not a member of a class.
    */
   String declaringType;
 
   /**
    * Information about the element reference being suggested.
    */
   Element element;
 
   /**
-   * The return type of the getter, function or method being suggested. This
-   * field is omitted if the suggested element is not a getter, function or
-   * method.
+   * The return type of the getter, function or method or the type of the field
+   * being suggested. This field is omitted if the suggested element is not a
+   * getter, function or method.
    */
   String returnType;
 
   /**
    * The names of the parameters of the function or method being suggested.
    * This field is omitted if the suggested element is not a setter, function
    * or method.
    */
   List<String> parameterNames;
 
@@ skipping 5101 matching lines @@
     return false;
   }
 
   @override
   int get hashCode {
     int hash = 0;
     hash = _JenkinsSmiHash.combine(hash, newName.hashCode);
     return _JenkinsSmiHash.finish(hash);
   }
 }