1 files changed, 26 insertions, 0 deletions
diff --git a/src/tools/android/java/com/google/devtools/build/android/DataKey.java b/src/tools/android/java/com/google/devtools/build/android/DataKey.java
new file mode 100644
index 0000000000..ef447e0e25
--- /dev/null
+++ b/src/tools/android/java/com/google/devtools/build/android/DataKey.java
@@ -0,0 +1,26 @@
+// Copyright 2016 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.android;
+
+/**
+ * A general marker interface for resource and asset keys.
+ *
+ * Resource and Assets are merged on the basis of a key value:
+ *
+ * For Resources, this is the fully qualified name, consisting of the resource package, name, type,
+ * and qualifiers.
+ *
+ * For Assets, it is the asset path from the assets directory.
+ */
+public interface DataKey {}