@class NSString; @interface GKSupplementaryViewMetrics : NSObject @property (nonatomic) BOOL shouldUseGlobalIndexing; @property (nonatomic) BOOL shouldPinGlobal; @property (nonatomic) struct _NSRange { unsigned long long location; unsigned long long length; } globalSectionRange; @property (nonatomic) long long animateWithSection; @property (nonatomic) double desiredWidth; @property (nonatomic) double desiredHeight; @property (nonatomic) BOOL shouldPin; @property (retain, nonatomic) NSString *kind; @property (nonatomic) Class reusableViewClass; @property (nonatomic) SEL configurator; @property (nonatomic) id target; @property (nonatomic, getter=isHidden) BOOL hidden; + (id)supplementaryMetrics; - (id)init; - (id)description; - (void).cxx_destruct; - (id)copyWithZone:(struct _NSZone { } *)a0; - (id)localDescription; - (struct CGSize { double x0; double x1; })sizeForCollectionView:(id)a0; @end