@class NSDate; @interface WBSTranslationScrollInteractionAnalyticsHelper : NSObject { struct os_unfair_lock_s { unsigned int _os_unfair_lock_opaque; } _synchronousIvarLock; NSDate *_translationStartTime; double _firstInteractionDelayFromTranslation; BOOL _webViewHasInteraction; double _maxVisibleHeightPercentage; } @property (copy, nonatomic) id /* block */ submissionHandler; - (id)init; - (void)dealloc; - (void).cxx_destruct; - (void)_calculateFirstInteractionDelayAndMaxPercentageWithCompletion:(id /* block */)a0; - (void)recordFirstInteractionIfNeeded; - (void)updateMaxVisibleHeightPercentage:(double)a0; @end