@class NSString; @interface _NSKeyValueObjectAndKeyPair : NSObject <NSCopying> { id _object; unsigned long long _objectPointer; Class _objectClass; void *_context; NSString *_key; } - (unsigned long long)hash; - (void)dealloc; - (id)description; - (BOOL)isEqual:(id)a0; - (id)copyWithZone:(struct _NSZone { } *)a0; @end