@interface PreviewsFoundation.IOPowerSource : _TtCs12_SwiftObject {
void /* unknown type, empty encoding */ runLoop;
void /* unknown type, empty encoding */ _currentState;
void /* unknown type, empty encoding */ notificationSource;
void /* unknown type, empty encoding */ lowPowerNotificationToken;
void /* unknown type, empty encoding */ notificationCallbackWrapperPointer;
void /* unknown type, empty encoding */ throttlingQueue;
}
@end