@interface KTNSErrorValueTransformer : NSSecureUnarchiveFromDataTransformer + (BOOL)allowsReverseTransformation; + (id)name; + (Class)transformedValueClass; + (void)registerTransformer; - (id)reverseTransformedValue:(id)a0; - (id)allowedTopLevelClasses; - (id)transformedValue:(id)a0; @end