@class UIColor; @interface _UIBarBackgroundLayoutPrototyping : _UIBarBackgroundLayout { UIColor *_colorWash; } + (id)prototypingLayoutForBarType:(long long)a0; + (BOOL)prototypingEnabled; + (void)registerPrototypingCallback:(id /* block */)a0; - (BOOL)shouldUseExplicitGeometry; - (void)describeInto:(id)a0; - (id)bg1ShadowColor; - (BOOL)bg1HasShadow; - (id)bg1Color; - (id)bg1Effects; - (void).cxx_destruct; @end