@class NFUnfairLock; @interface NFLazy : NSObject @property (readonly, copy, nonatomic) id /* block */ constructor; @property (readonly, copy, nonatomic) NFUnfairLock *lock; @property (readonly, nonatomic) id value; - (void)reset; - (id)initWithConstructor:(id /* block */)a0; - (void).cxx_destruct; @end