@class NSMutableDictionary, NSObject; @protocol OS_dispatch_queue; @interface WFContentAttributionTracker : NSObject <NSSecureCoding> @property (class, readonly) BOOL supportsSecureCoding; @property (readonly, nonatomic) NSMutableDictionary *attributionSets; @property (readonly, nonatomic) NSObject<OS_dispatch_queue> *trackingAttributionSetQueue; - (id)init; - (void)encodeWithCoder:(id)a0; - (void).cxx_destruct; - (id)initWithCoder:(id)a0; - (void)addAttributionSet:(id)a0 forParameter:(id)a1; - (id)attributionSetForParameter:(id)a0; - (id)initWithAttributionSets:(id)a0; - (void)replaceAttributionSet:(id)a0 forParameter:(id)a1; - (id)trackedAttributionSet; @end