diff --git a/sdk/exports.go b/sdk/exports.go
new file mode 100644
index 0000000..c882462
--- /dev/null
+++ b/sdk/exports.go
@@ -0,0 +1,39 @@
+// Copyright (C) 2019 The Android Open Source Project
+//
+// 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 sdk
+
+import "android/soong/android"
+
+func init() {
+	android.RegisterModuleType("module_exports", ModuleExportsFactory)
+	android.RegisterModuleType("module_exports_snapshot", ModuleExportsSnapshotsFactory)
+}
+
+// module_exports defines the exports of a mainline module. The exports are Soong modules
+// which are required by Soong modules that are not part of the mainline module.
+func ModuleExportsFactory() android.Module {
+	s := newSdkModule()
+	s.properties.Module_exports = true
+	return s
+}
+
+// module_exports_snapshot is a versioned snapshot of prebuilt versions of all the exports
+// of a mainline module.
+func ModuleExportsSnapshotsFactory() android.Module {
+	s := newSdkModule()
+	s.properties.Snapshot = true
+	s.properties.Module_exports = true
+	return s
+}