@interface JetEngine.ImpressionsCalculator : _TtCs12_SwiftObject {
void /* unknown type, empty encoding */ parent;
void /* unknown type, empty encoding */ itemsByElementID;
void /* unknown type, empty encoding */ configuration;
void /* unknown type, empty encoding */ tracker;
void /* unknown type, empty encoding */ parentItemID;
void /* unknown type, empty encoding */ dateProvider;
void /* unknown type, empty encoding */ context;
void /* unknown type, empty encoding */ isVisible;
void /* unknown type, empty encoding */ viewBounds;
}
@end