@interface HMDBackingStoreLogChangesExistFetchOperation : HMDBackingStoreOperation @property (copy, nonatomic) id /* block */ fetchBlock; @property (nonatomic) long long maskValue; @property (nonatomic) long long compareValue; - (void).cxx_destruct; - (id)initWithNeedsPushTo:(unsigned long long)a0 result:(id /* block */)a1; - (id)mainReturningError; @end