@class NSString, NSObject; @protocol OS_os_log; @interface EDTruncateMailboxUpgradeStep : NSObject <EFLoggable, EDTableUpgradeStep> @property (class, readonly) NSObject<OS_os_log> *log; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (int)runWithConnection:(id)a0; + (long long)countOver10kWithConnection:(id)a0; + (void)presentNeedlessAlertIfNecessaryWithPersistence:(id)a0; @end