@class NSXPCListener, NSString; @protocol _SYBacklinkIndicatorUsageService_TestingDelegate; @interface SYBacklinkIndicatorUsageService : NSObject <NSXPCListenerDelegate, SYBacklinkIndicatorUsageProtocol> @property (class, weak, nonatomic) id<_SYBacklinkIndicatorUsageService_TestingDelegate> _testingDelegate; @property (retain, nonatomic) NSXPCListener *listener; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id)sharedInstance; + (id)_listenerEndpoint; + (void)beginObservingUsage; - (id)init; - (void)dealloc; - (BOOL)listener:(id)a0 shouldAcceptNewConnection:(id)a1; - (void).cxx_destruct; - (oneway void)didActivateBacklinkItemWithIdentifier:(id)a0; - (oneway void)didDismissBacklinkItemWithIdentifier:(id)a0; @end