@class NSHashTable; @interface WFNetworkBehaviorMonitor : NSObject @property (readonly, nonatomic) NSHashTable *observers; + (id)sharedInstance; - (id)init; - (void)removeObserver:(id)a0; - (void)logNetworkEvent:(id)a0; - (void).cxx_destruct; - (void)addObserver:(id)a0; @end