@class NSString; @interface SXFirstViewportLayoutInstruction : NSObject <SXLayoutInstruction> @property (nonatomic) BOOL fullfilled; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)didLayoutComponentBlueprint:(id)a0 blueprint:(id)a1; - (BOOL)isFulfilledForBlueprint:(id)a0; @end