System/Library/Frameworks/CallKit.framework
CXServiceDomain.h
@class NSString;
@interface CXServiceDomain : NSObject
@property (readonly, copy, nonatomic) NSString *name;
@property (readonly, copy, nonatomic) NSString *machName;
+ (id)callKitServiceDomain;
- (id)initWithName:(id)a0 machName:(id)a1;
- (void).cxx_destruct;
@end