@class NSString; @interface UITraitDisplayScale : NSObject <UITraitDefinitionPrivate, UICGFloatTraitDefinition> @property (class, readonly, nonatomic) BOOL defaultValueRepresentsUnspecified; @property (class, readonly, nonatomic) BOOL _isPrivate; @property (class, readonly, nonatomic) NSString *identifier; @property (class, readonly, nonatomic) NSString *name; @property (class, readonly, nonatomic) BOOL affectsColorAppearance; @property (class, readonly, nonatomic) double defaultValue; @end