@class NSDictionary, NSUserDefaults, NSObject; @protocol OS_dispatch_queue; @interface WFActionRateLimiter : NSObject @property (readonly, nonatomic) NSObject<OS_dispatch_queue> *queue; @property (readonly, nonatomic) NSUserDefaults *userDefaults; @property (retain, nonatomic) NSDictionary *attempts; + (id)sharedInstance; + (void)performAction:(id)a0 onQueue:(id)a1 withBlock:(id /* block */)a2; - (id)initWithUserDefaults:(id)a0; - (id)init; - (void).cxx_destruct; - (void)modify:(id /* block */)a0; @end