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node_modules/react-native/Libraries/Utilities/BackHandler.ios.js

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+/**
+ * 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.
+ *
+ * @flow strict-local
+ * @format
+ */
+
+type BackPressEventName = 'backPress' | 'hardwareBackPress';
+type BackPressHandler = () => ?boolean;
+
+function emptyFunction(): void {}
+
+type TBackHandler = {
+  exitApp(): void,
+  addEventListener(
+    eventName: BackPressEventName,
+    handler: BackPressHandler,
+  ): {remove: () => void, ...},
+};
+
+const BackHandler: TBackHandler = {
+  exitApp: emptyFunction,
+  addEventListener(_eventName: BackPressEventName, _handler: BackPressHandler) {
+    return {
+      remove: emptyFunction,
+    };
+  },
+};
+
+export default BackHandler;