diff --git a/Libraries/ReactNative/RootTag.d.ts b/Libraries/ReactNative/RootTag.d.ts
new file mode 100644
index 00000000000000..2522b8937a9e0b
--- /dev/null
+++ b/Libraries/ReactNative/RootTag.d.ts
@@ -0,0 +1,13 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+import type * as React from 'react';
+
+export type RootTag = number;
+export const RootTagContext: React.Context<RootTag>;
diff --git a/types/index.d.ts b/types/index.d.ts
index 6ef79292429588..ae53354684926a 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -126,6 +126,7 @@ export * from '../Libraries/PushNotificationIOS/PushNotificationIOS';
 export * from '../Libraries/ReactNative/AppRegistry';
 export * from '../Libraries/ReactNative/I18nManager';
 export * from '../Libraries/ReactNative/RendererProxy';
+export * from '../Libraries/ReactNative/RootTag';
 export * from '../Libraries/ReactNative/UIManager';
 export * from '../Libraries/ReactNative/requireNativeComponent';
 export * from '../Libraries/Settings/Settings';