#import <CareKit/CareKit.h>

@interface CMHMutedEventUpdater : NSObject

- (instancetype)initWithCarePlanStore:(OCKCarePlanStore *)store
                                event:(OCKCarePlanEvent *)event
                               result:(OCKCarePlanEventResult *)result
                                state:(OCKCarePlanEventState)state;

- (NSError *_Nullable)performUpdate;

@end

#import <CareKit/CareKit.h>

@interface CMHMutedEventUpdater : NSObject

- (_Nonnull instancetype)initWithCarePlanStore:(OCKCarePlanStore *_Nonnull)store
                                         event:(OCKCarePlanEvent *_Nonnull)event
                                        result:(OCKCarePlanEventResult *_Nullable)result
                                         state:(OCKCarePlanEventState)state;

- (NSError *_Nullable)performUpdate;

@end

Add Nullability annotations to the event updater class
Add Nullability annotations to the event updater class
