WKWebViewConfiguration
@property (nonatomic, strong) WKProcessPool *processPool;//内容存储池，不需要做处理
@property (nonatomic, strong) WKPreferences *preferences; //偏好设置
@property (nonatomic, strong) WKUserContentController *userContentController;
@property (nonatomic, strong) WKWebsiteDataStore *websiteDataStore API_AVAILABLE(macosx(10.11), ios(9.0));
@property (nonatomic) BOOL suppressesIncrementalRendering;
@property (nullable, nonatomic, copy) NSString *applicationNameForUserAgent API_AVAILABLE(macosx(10.11), ios(9.0));
@property (nonatomic) BOOL allowsAirPlayForMediaPlayback API_AVAILABLE(macosx(10.11), ios(9.0));
@property (nonatomic) WKAudiovisualMediaTypes mediaTypesRequiringUserActionForPlayback API_AVAILABLE(macosx(10.12), ios(10.0));
@property (nonatomic) BOOL allowsInlineMediaPlayback;
@property (nonatomic) WKSelectionGranularity selectionGranularity;
@property (nonatomic) BOOL allowsPictureInPictureMediaPlayback API_AVAILABLE(ios(9_0));
@property (nonatomic) WKDataDetectorTypes dataDetectorTypes API_AVAILABLE(ios(10.0));
@property (nonatomic) BOOL ignoresViewportScaleLimits API_AVAILABLE(ios(10.0));
@property (nonatomic) WKUserInterfaceDirectionPolicy userInterfaceDirectionPolicy API_AVAILABLE(macosx(10.12));
