System/Library/PrivateFrameworks/WiFiPolicy.framework

WiFiUsageApplicationSession.h

NSObject
>
WiFiUsageSession

@interface WiFiUsageApplicationSession : WiFiUsageSession

- (id)metricName;
- (id)initWithInterfaceName:(id)a0;
- (void)applicationStateDidChange:(id)a0 withAttributes:(id)a1;

@end