Collect build metrics just prior to BuildCompleteEvent.
RELNOTES: None
PiperOrigin-RevId: 287189221
diff --git a/src/main/java/com/google/devtools/build/lib/buildtool/BuildPrecompleteEvent.java b/src/main/java/com/google/devtools/build/lib/buildtool/BuildPrecompleteEvent.java
new file mode 100644
index 0000000..b325ed9
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/buildtool/BuildPrecompleteEvent.java
@@ -0,0 +1,20 @@
+// Copyright 2019 The Bazel Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package com.google.devtools.build.lib.buildtool;
+
+/**
+ * This event is fired from BuildTool#stopRequest() just before {@link
+ * com.google.devtools.build.lib.buildtool.buildevent.BuildCompleteEvent}.
+ */
+public final class BuildPrecompleteEvent {}