MarketplaceExtension Declarationprotocol MarketplaceExtension : AppExtension, Sendable TopicsInstance MethodsadditionalHeaders(for:account:)automaticUpdates(for:)availableAppVersions(forAppleItemIDs:)requestFailed(with:) RelationshipsInherits FromAppExtensionSendableSendableMetatype See AlsoDeprecationsMarketplaceExtensionConfiguration