System/Library/PrivateFrameworks/HomePodSettings.framework

HPSDeviceModelCoder.h

NSObject

@interface HPSDeviceModelCoder : NSObject <HomePodSettings.MessageSerializing>

- (id)init;
- (id)serialize:(id)a0 error:(id *)a1;
- (BOOL)deserialize:(id)a0 withElement:(id)a1 error:(id *)a2;

@end