text: //
  //  GrowingNetworkInterfaceManager.h
  //  GrowingAnalytics
  //
  //  Created by GrowingIO on 4/23/15.
  //  Copyright (C) 2020 Beijing Yishu Technology Co., Ltd.
  //
  //  Licensed under the Apache License, Version 2.0 (the "License");
  //  you may not use this file except in compliance with the License.
  //  You may obtain a copy of the License at
  //
  //      http://www.apache.org/licenses/LICENSE-2.0
  //
  //  Unless required by applicable law or agreed to in writing, software
  //  distributed under the License is distributed on an "AS IS" BASIS,
  //  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  //  See the License for the specific language governing permissions and
  //  limitations under the License.
  
  
  #import <Foundation/Foundation.h>
  
  @interface GrowingNetworkInterfaceManager : NSObject
  
  @property (readonly) BOOL WWANValid;
  @property (readonly) BOOL WiFiValid;
  @property (readonly) BOOL isUnknown;
  @property (nonatomic, assign, readonly) BOOL isReachable;
  
  + (instancetype)sharedInstance;
  
  - (void)updateInterfaceInfo;
  - (NSString *)networkType;
  
  @end
  