@class NSMutableArray; @interface _SCNUIKitSourceRegistry : NSObject { NSMutableArray *_sources; } + (id)sharedInstance; + (void)registerUIKitSource:(id)a0; + (void)unregisterUIKitSource:(id)a0; - (id)init; - (void)dealloc; - (void)remove:(id)a0; - (void)apply:(id /* block */)a0; - (void)add:(id)a0; @end