text: #import <UIKit/UIKit.h>
  #import <Foundation/Foundation.h>
  
  @protocol _BrowserPage <NSObject>
  
  @property (nonatomic, readonly) UIView *view; // addSubView: 的时候使用
  @property (nonatomic, readonly) UIView *webView; // UIWebView, WKWebView
  
  
  
  @end
  