@class NSString; @interface _UISystemReferenceAngleMultiplexer : NSObject <_UISSystemReferenceAngleDataSource> @property (class, readonly, nonatomic) _UISystemReferenceAngleMultiplexer *sharedMultiplexer; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; @end