API proposal for the MOVE_FILE refactoring.

pkg/analysis_server/test/integration/protocol_matchers.dart

Index: pkg/analysis_server/test/integration/protocol_matchers.dart
diff --git a/pkg/analysis_server/test/integration/protocol_matchers.dart b/pkg/analysis_server/test/integration/protocol_matchers.dart
index da92694585bd6d1e3746ace3ab65297132009215..009309b3e181bd2244fe254bd0e1d4ba3a3eb9cd 100644
--- a/pkg/analysis_server/test/integration/protocol_matchers.dart
+++ b/pkg/analysis_server/test/integration/protocol_matchers.dart
@@ -1958,6 +1958,23 @@ final Matcher isInlineMethodOptions = new LazyMatcher(() => new MatchesJsonObjec
   }));
 
 /**
+ * moveFile feedback
+ */
+final Matcher isMoveFileFeedback = isNull;
+
+/**
+ * moveFile options
+ *
+ * {
+ *   "newFile": FilePath
+ * }
+ */
+final Matcher isMoveFileOptions = new LazyMatcher(() => new MatchesJsonObject(
+  "moveFile options", {
+    "newFile": isFilePath
+  }));
+
+/**
  * rename feedback
  *
  * {