@class ISAuthenticationChallenge, NSURLCredential; @interface ISAuthenticationChallengeOperation : ISDialogOperation @property (retain) NSURLCredential *credential; @property (retain) ISAuthenticationChallenge *challenge; + (id)operationWithChallenge:(id)a0; - (void)run; - (void)dealloc; - (id)_copyCredentialForSignInResponseDictionary:(id)a0; - (void)handleButtonSelected:(long long)a0 withResponseDictionary:(id)a1; @end