System/Library/Frameworks/Foundation.framework

_NSStringAttributeDescriptor.h

NSObject
>
_NSAttributeDescriptor

@interface _NSStringAttributeDescriptor : _NSAttributeDescriptor

- (id)retain;
- (void)dealloc;
- (unsigned long long)retainCount;
- (oneway void)release;
- (id)attributeValueFromValue:(id)a0;

@end