export interface MessageEvent {
    data: unknown;
}
declare const ReactNativeBrownfield: {
    /**
     * Pop to the native screen.
     * @param animated - Whether to animate the transition (iOS only).
     * @platform android, ios
     * @example
     * ReactNativeBrownfield.popToNative(true);
     */
    popToNative: (animated?: boolean) => void;
    /**
     * Enable or disable the iOS native back gesture and Android hardware back button.
     * @note This method is available both on the New Architecture and the Old Architecture.
     * @param enabled - Whether to enable native back gesture and button.
     * @platform android, ios
     * @example
     * ReactNativeBrownfield.setNativeBackGestureAndButtonEnabled(true);
     */
    setNativeBackGestureAndButtonEnabled: (enabled: boolean) => void;
    /**
     * Send a JSON-serializable message to the native host application. This resembles the web `window.postMessage` API.
     * @note This method is available both on the New Architecture and the Old Architecture.
     * @note This method requires the `data` to be JSON-serializable. The method does not catch any serialization errors thrown
     * by the `JSON.stringify` function, this is the responsibility of the caller.
     * @param data - The data to send to the native host application.
     * @platform android, ios
     * @example
     * ReactNativeBrownfield.postMessage({ text: 'Hello from React Native!', id: 2 });
     */
    postMessage: (data: unknown) => void;
    /**
     * Subscribe to messages sent from the native host application. Returns a subscription object with a `remove()` method for cleanup.
     * @param callback - The callback to invoke when a message is received from the native host application.
     * @returns A subscription object with a `remove` method for cleanup.
     * @platform android, ios
     * @example
     * const subscription = ReactNativeBrownfield.onMessage((event: MessageEvent) => {
     *   console.log('Received from native:', event.data);
     * });
     *
     * // Later, to unsubscribe:
     * subscription.remove();
     */
    onMessage: (callback: (event: MessageEvent) => void) => {
        remove: () => void;
    };
};
export default ReactNativeBrownfield;
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