@class NSMutableArray;
@interface HKRateLimiter : NSObject {
struct os_unfair_lock_s { unsigned int _os_unfair_lock_opaque; } _lock;
NSMutableArray *_history;
}
@property (readonly) unsigned long long limit;
@property (readonly) double timeInterval;
- (void).cxx_destruct;
- (id)initWithLimit:(unsigned long long)a0 timeInterval:(double)a1;
- (BOOL)perform:(id /* block */)a0 cost:(unsigned long long)a1;
@end