@interface MusicKit.LegacySectionedCollectionBackedPropertyProvider : _TtCs12_SwiftObject {
void /* unknown type, empty encoding */ state;
void /* unknown type, empty encoding */ lock;
void /* unknown type, empty encoding */ existingCatalogItem;
void /* unknown type, empty encoding */ typeValue;
void /* unknown type, empty encoding */ requestedRelationships;
void /* unknown type, empty encoding */ identifierSet;
}
@end