@interface PDSUserTracker : NSObject @property (copy, nonatomic) id /* block */ accountStoreBlock; + (id)standardAccountStore; - (id)init; - (void).cxx_destruct; - (id)_accountForUser:(id)a0 withError:(id *)a1; - (id)initWithAccountStoreBlock:(id /* block */)a0; - (void)refreshCredentialsForUser:(id)a0 withError:(id *)a1 completion:(id /* block */)a2; - (id)tokenAndIdentifier:(id *)a0 forUser:(id)a1 withError:(id *)a2; - (BOOL)validUser:(id)a0 withError:(id *)a1; @end