// Copyright 2016 The Chromium Authors. All rights reserved.// Use of this source code is governed by a BSD-style license that can be// found in the LICENSE file.#ifndef FLUTTER_FLUTTERMESSAGELISTENER_H_#define FLUTTER_FLUTTERMESSAGELISTENER_H_#import <Foundation/Foundation.h>#include "FlutterMacros.h"FLUTTER_EXPORT@protocolFlutterMessageListener<NSObject>-(NSString*)didReceiveString:(NSString*)message;