System/Library/PrivateFrameworks/BiometricSupport.framework
ActivityTracker.h
@class NSString, NSObject;
@protocol OS_os_transaction;
@interface ActivityTracker : NSObject {
NSString *_description;
NSObject<OS_os_transaction> *_transaction;
}
@property (copy) id /* block */ activityUpdateBlock;
- (void)setActive:(BOOL)a0;
- (id)initWithDescription:(id)a0;
- (void).cxx_destruct;
@end