@class ACMonitoredAccountStore, NSString, ACAccount, NSObject; @protocol OS_dispatch_queue; @interface WBSPrimaryAppleAccountObserver : NSObject <ACMonitoredAccountStoreDelegateProtocol> { NSObject<OS_dispatch_queue> *_queue; ACMonitoredAccountStore *_accountStore; ACAccount *_primaryAppleAccount; NSString *_primaryAccountAltDSID; } @property (class, readonly, nonatomic) WBSPrimaryAppleAccountObserver *sharedObserver; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)accountWasRemoved:(id)a0; - (void)accountWasAdded:(id)a0; - (id)init; - (void)_setAccountOnInternalQueue:(id)a0; - (void).cxx_destruct; - (void)accountWasModified:(id)a0; - (void)_registerForUpdates; - (void)_setAccountIfPrimary:(id)a0; - (void)getPrimaryAppleAccountAltDSIDWithCompletionHandler:(id /* block */)a0; - (void)getPrimaryAppleAccountHasSafariSyncEnabledWithCompletionHandler:(id /* block */)a0; - (void)getPrimaryAppleAccountWithCompletionHandler:(id /* block */)a0; @end