@class NSPointerArray; @interface GKConstraintUpdateController : NSObject @property (retain, nonatomic) NSPointerArray *constraintsToUpdate; + (id)sharedController; - (void)_updateConstraints; - (void)dealloc; - (void).cxx_destruct; - (void)registerConstraint:(id)a0 leading:(double)a1 forFontTextStyle:(id)a2; - (void)updateConstraint:(id)a0; @end