```
/tmp/testfile_k23568.cpp:8:12: error: calling a private constructor of class 'A::Q'
/tmp/testfile_k23568.h:1:27: note: implicitly declared private here
/tmp/testfile_k23568.cpp:10:12: error: calling a private constructor of class 'B::Q'
/tmp/testfile_k23568.h:1:27: note: implicitly declared private here
/tmp/testfile_k23568.cpp:12:14: error: 'm' is a private member of 'A::Q'
/tmp/testfile_k23568.h:1:36: note: implicitly declared private here
/tmp/testfile_k23568.cpp:14:14: error: 'm' is a private member of 'B::Q'
/tmp/testfile_k23568.h:1:36: note: implicitly declared private here
```