@protocol _UITraitEnvironmentInternal; @interface _UIBarCustomizationContainerView : UIView @property (weak, nonatomic) id<_UITraitEnvironmentInternal> parentTraitEnvironment; @property (copy, nonatomic) id /* block */ traitChangeHandler; - (id)traitCollection; - (void).cxx_destruct; - (id)initWithParentTraitEnvironment:(id)a0; - (void)_traitCollectionDidChangeOnSubtreeInternal:(const struct _UITraitCollectionChangeDescription { id x0; id x1; id x2; BOOL x3; struct _UITraitCollectionTraitChanges { BOOL x0; BOOL x1; } x4; } *)a0; @end