Add SourceFileEdit.time field.

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 1749 matching lines @@
     "replacement": isString
   }, optionalFields: {
     "id": isString
   }));
 
 /**
  * SourceFileEdit
  *
  * {
  *   "file": FilePath
+ *   "fileStamp": long
  *   "edits": List<SourceEdit>
  * }
  */
 final Matcher isSourceFileEdit = new LazyMatcher(() => new MatchesJsonObject(
   "SourceFileEdit", {
     "file": isFilePath,
+    "fileStamp": isInt,
     "edits": isListOf(isSourceEdit)
   }));
 
 /**
  * TypeHierarchyItem
  *
  * {
  *   "classElement": Element
  *   "displayName": optional String
  *   "memberElement": optional Element
@@ skipping 184 matching lines @@
  *
  * {
  *   "newName": String
  * }
  */
 final Matcher isRenameOptions = new LazyMatcher(() => new MatchesJsonObject(
   "rename options", {
     "newName": isString
   }));