@class NSSet; @interface CalMigrationUtilities : NSObject @property (class, readonly, nonatomic) NSSet *extensionsForLegacyDirectoriesToDelete; @property (class, readonly, nonatomic) NSSet *legacyDirectoryNamesToDelete; @property (class, readonly, nonatomic) NSSet *legacyFileNamesToDelete; + (id)calendarDirectoryForHomeDirectory:(id)a0; + (void)clearPreviousMigrationResultsWithDatabaseFileURL:(id)a0; + (void)enumerateSelfAndDetachedEventsWithEvent:(void *)a0 usingBlock:(id /* block */)a1; + (id)homeRelativePathForURL:(id)a0 inCalendarDirectory:(id)a1; + (id)subdirectoriesInDirectory:(id)a0 withPrivacySafePathProvider:(id)a1 error:(id *)a2; + (id)validatedCalendarDirectoryForHomeDirectory:(id)a0; @end