AdSupport iOS 10.3 to 11.0 API Differences

ASIdentifierManager.h
Modified +[ASIdentifierManager sharedManager]
Declaration
From+ (ASIdentifierManager *)sharedManager
To+ (nonnull ASIdentifierManager *)sharedManager

Modified ASIdentifierManager.advertisingIdentifier
Declaration
From@property (nonatomic, readonly) NSUUID *advertisingIdentifier
To@property (nonatomic, readonly, nonnull) NSUUID *advertisingIdentifier