@class NSArray, NSMutableArray; @protocol _UIBarCustomizerAnimating; @interface _UIBarCustomizationSession : NSObject @property (copy, nonatomic) NSArray *sourceItems; @property (retain, nonatomic, getter=_mutableVisibleItems) NSMutableArray *_mutableVisibleItems; @property (retain, nonatomic, getter=_mutableAdditionalItems) NSMutableArray *_mutableAdditionalItems; @property (readonly, nonatomic) NSArray *visibleItems; @property (readonly, nonatomic) NSArray *additionalItems; @property (readonly, nonatomic) id<_UIBarCustomizerAnimating> beginAnimationCoordinator; @property (readonly, nonatomic) id<_UIBarCustomizerAnimating> endAnimationCoordinator; + (id)sessionWithVisibleItems:(id)a0 additionalItems:(id)a1; - (void).cxx_destruct; @end