diff --git a/core/any_aliases.ts b/core/any_aliases.ts
index 6b3c413cb..b04621726 100644
--- a/core/any_aliases.ts
+++ b/core/any_aliases.ts
@@ -1,2 +1,8 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 // eslint-disable-next-line
 type AnyDuringMigration = any;