@interface PromotedContentUI.VisibilityTimingTracker : _TtCs12_SwiftObject {
void /* unknown type, empty encoding */ visibilityImpressionThresholdInSeconds;
void /* unknown type, empty encoding */ visibilityThresholdInPercent;
void /* unknown type, empty encoding */ adamId;
void /* unknown type, empty encoding */ metadata;
void /* unknown type, empty encoding */ metricHelper;
void /* unknown type, empty encoding */ visibilityTiming;
void /* unknown type, empty encoding */ visibilityTimingLock;
void /* unknown type, empty encoding */ hasImpressed;
void /* unknown type, empty encoding */ frequencyStorageType;
void /* unknown type, empty encoding */ searchAdsFacade;
void /* unknown type, empty encoding */ visibilityStartedAt;
void /* unknown type, empty encoding */ impressionTimer;
void /* unknown type, empty encoding */ disableTimer;
}
@end