@protocol MULayoutItem; @interface MUSizeLayoutInternal : MUConstraintLayoutInternal { void /* unknown type, empty encoding */ builder; } @property (class, nonatomic, readonly) double useIntrinsicContentSize; @property (nonatomic, weak) id item; @property (nonatomic) struct CGSize { double x0; double x1; } size; @property (nonatomic) float priority; - (id)initWithItem:(id)a0 size:(struct CGSize { double x0; double x1; })a1 priority:(float)a2; - (id)initWithItem:(id)a0 size:(struct CGSize { double x0; double x1; })a1; - (void).cxx_destruct; @end