@class NSArray, NSString; @interface GKPlayerActivitySectionInternal : GKInternalRepresentation @property (retain, nonatomic) NSArray *items; @property (retain, nonatomic) NSString *title; @property (retain, nonatomic) NSString *instrumentationKey; + (id)secureCodedPropertyKeys; - (id)initWithDictionary:(id)a0; - (id)description; - (void).cxx_destruct; @end