@class NSXPCListenerEndpoint; @interface SYBacklinkIndicatorUsage : NSObject @property (class, retain, nonatomic) NSXPCListenerEndpoint *_listenerEndpoint; + (void)_assumeEndpoint:(id)a0; + (id)_identifierFromUserActivity:(id)a0; + (id)_proxyWithError:(id *)a0; + (void)didActivateBacklinkItemWithIdentifier:(id)a0; + (void)didActivateBacklinkItemWithUserActivity:(id)a0; + (void)didDismissBacklinkItemWithUserActivity:(id)a0; @end