System/Library/PrivateFrameworks/StorageData.framework
STUpdateMonitor.h
@class NSString;
@interface STUpdateMonitor : NSObject
@property (readonly) long long currentUpdateSize;
@property (readonly) NSString *currentUpdateName;
@property (readonly) NSString *bundleIdentifier;
+ (id)sharedMonitor;
- (void)sync;
- (void).cxx_destruct;
- (void)startMonitor;
- (void)stopMonitor;
@end