@class SXPresentationAttributes, NSString, NSHashTable; @interface SXPresentationAttributesManager : NSObject <SXPresentationAttributesManager> @property (readonly, nonatomic) NSHashTable *observers; @property (readonly, nonatomic) SXPresentationAttributes *presentationAttributes; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)init; - (void)removeObserver:(id)a0; - (void).cxx_destruct; - (void)addObserver:(id)a0; - (void)attributesChangedFrom:(id)a0 to:(id)a1; - (void)updateAttributes:(id)a0; @end