@class HKQueryAnchor, NSMutableArray, HKHealthStore, NSPredicate, HKAnchoredObjectQuery, HKSampleType; @interface _HKSampleQueryUtility : NSObject { HKHealthStore *_healthStore; HKSampleType *_sampleType; NSPredicate *_predicate; HKAnchoredObjectQuery *_query; HKQueryAnchor *_queryAnchor; NSMutableArray *_samples; } @property (copy, nonatomic) id /* block */ updateHandler; @property (nonatomic) BOOL sortStartDateAscending; - (id)init; - (void)execute; - (void)stop; - (void).cxx_destruct; - (void)handleAddedObjects:(id)a0 deletedObjects:(id)a1 queryAnchor:(id)a2 error:(id)a3 resultsHandler:(id /* block */)a4; - (id)initWithHealthStore:(id)a0 sampleType:(id)a1 predicate:(id)a2 completionHandler:(id /* block */)a3; - (id)initWithHealthStore:(id)a0 sampleType:(id)a1 predicate:(id)a2 completionHandler:(id /* block */)a3 updateHandler:(id /* block */)a4; - (id)initWithHealthStore:(id)a0 sampleType:(id)a1 predicate:(id)a2 resultsHandler:(id /* block */)a3; - (void)setupQueryWithCompletionHandler:(id /* block */)a0; @end