@class NSMutableDictionary; @interface MEExtensionUserPreferences : NSObject { struct os_unfair_lock_s { unsigned int _os_unfair_lock_opaque; } _lock; } @property (retain, nonatomic) NSMutableDictionary *extensionIDToUserEnabledMap; + (id)sharedInstance; + (id)log; - (id)_serializedData; - (void).cxx_destruct; - (id)_loadUserPreferences; - (id)_plistURL; - (id)_prefsDictionary; - (void)_savePreferences; - (BOOL)isExtensionEnabled:(id)a0; - (void)setExtensionEnabled:(BOOL)a0 forExtensionID:(id)a1; @end