@class NSSet, NSString, NSURL, NSMutableSet; @interface CoreDAVValidatePrincipalsTaskGroup : CoreDAVTaskGroup <CoreDAVTaskDelegate> @property (retain, nonatomic) NSMutableSet *urlsToExamine; @property (retain, nonatomic) NSMutableSet *principalURLs; @property (retain, nonatomic) NSURL *urlBeingExamined; @property (readonly, nonatomic) NSSet *resultPrincipalURLs; @property (readonly, nonatomic) BOOL didReceiveAuthenticationError; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)task:(id)a0 didFinishWithError:(id)a1; - (void)startTaskGroup; - (void).cxx_destruct; - (void)_finishWithError:(id)a0; - (void)cancelTaskGroup; - (void)_fetchNextURL; - (id)initWithAccountInfoProvider:(id)a0 urls:(id)a1 taskManager:(id)a2; @end