@class NSString; @interface NUError : NSError @property (readonly) NSString *nonLocalizedFailureReason; @property (readonly) id invalidObject; + (id)canceledError:(id)a0 object:(id)a1; + (id)errorWithCode:(long long)a0 reason:(id)a1 object:(id)a2; + (id)errorWithCode:(long long)a0 reason:(id)a1 object:(id)a2 underlyingError:(id)a3; + (id)failureError:(id)a0 object:(id)a1; + (id)invalidError:(id)a0 object:(id)a1; + (id)mismatchError:(id)a0 object:(id)a1; + (id)missingError:(id)a0 object:(id)a1; + (id)resourceUnavailableError:(id)a0 object:(id)a1; + (id)unknownError:(id)a0 object:(id)a1; + (id)unsupportedError:(id)a0 object:(id)a1; + (id)duplicateError:(id)a0 object:(id)a1; + (id)extraError:(id)a0 object:(id)a1; + (id)rangeError:(id)a0 object:(id)a1; + (id)rootError:(id)a0; + (id)skippedError:(id)a0 object:(id)a1; + (id)timeoutError:(id)a0 object:(id)a1; + (id)underlyingError:(id)a0; - (id)description; - (id)descriptionWithIndent:(long long)a0; - (id)errorCodeDescription; @end