@class ACAccountStore; @interface MFAccountStore : NSObject { struct os_unfair_lock_s { unsigned int _os_unfair_lock_opaque; } _accountStoreLock; ACAccountStore *_accountStore; } @property (readonly) ACAccountStore *persistentStore; + (id)sharedAccountStore; + (id)_accountWithAccountClass:(Class)a0 persistentAccount:(id)a1 useExisting:(BOOL)a2; + (BOOL)_shouldUpdateAccountsInPlace; - (id)init; - (void)dealloc; - (id)_accountWithPersistentAccount:(id)a0 useExisting:(BOOL)a1; - (void)_accountsStoreChanged:(id)a0; - (id)accountsWithTypeIdentifiers:(id)a0 error:(id *)a1; - (id)existingAccountWithPersistentAccount:(id)a0; - (id)newPersistentAccountWithAccountTypeIdentifier:(id)a0; - (void)removePersistentAccountWithAccount:(id)a0; - (void)savePersistentAccountWithAccount:(id)a0; - (void)setPersistentStore:(id)a0; - (id)supportedDataclassesWithAccountTypeIdentifier:(id)a0; @end