@interface SwiftUI.RenderBoxView : SwiftUI._UIGraphicsView <RBLayerDelegate> { void /* unknown type, empty encoding */ rendersFirstFrameAsynchronously; } @property (class, nonatomic, readonly) Class layerClass; @property (nonatomic) BOOL opaque; - (void)setNeedsDisplay; - (BOOL)isOpaque; - (void)dealloc; - (void)RBLayer:(id)a0 draw:(id)a1; - (id)initWithFrame:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0; - (id)initWithCoder:(id)a0; - (void)didMoveToWindow; @end