Send notifications using separate server operations.

pkg/analysis_server/lib/src/operation/operation.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.
 
 library operation;
 
 import 'package:analysis_server/src/analysis_server.dart';
 
 
 /**
@@ skipping 12 matching lines @@
   void perform(AnalysisServer server);
 }
 
 
 /**
  * The enumeration [ServerOperationPriority] defines the priority levels used
  * to organize [ServerOperation]s in an optimal order. A smaller ordinal value
  * equates to a higher priority.
  */
 class ServerOperationPriority {
-  static const int COUNT = 4;
+  static const int COUNT = 5;
+
+  static const ServerOperationPriority ANALYSIS_NOTIFICATION =
+      const ServerOperationPriority._(0, "ANALYSIS_NOTIFICATION");
+
+  static const ServerOperationPriority PRIORITY_ANALYSIS_CONTINUE =
+      const ServerOperationPriority._(1, "PRIORITY_ANALYSIS_CONTINUE");
+
+  static const ServerOperationPriority PRIORITY_ANALYSIS =
+      const ServerOperationPriority._(2, "PRIORITY_ANALYSIS");
+
   static const ServerOperationPriority ANALYSIS_CONTINUE =
-      const ServerOperationPriority._(0, "ANALYSIS_CONTINUE");
+      const ServerOperationPriority._(3, "ANALYSIS_CONTINUE");
 
   static const ServerOperationPriority ANALYSIS =
-      const ServerOperationPriority._(1, "ANALYSIS");
+      const ServerOperationPriority._(4, "ANALYSIS");
 
-  static const ServerOperationPriority SEARCH =
-      const ServerOperationPriority._(2, "SEARCH");
-  static const ServerOperationPriority REFACTORING =
-      const ServerOperationPriority._(3, "REFACTORING");
   final int ordinal;
   final String name;
 
   const ServerOperationPriority._(this.ordinal, this.name);
 
   @override
   String toString() => name;
 }