in inc/com_wrapper/com_wrapper.h [449:452]
typedef struct MU_C4(wrapped_handle_type, _, implementing_interface, _Vtbl_CHECK_STRUCT_TAG) \
{ \
COM_WRAPPER_IMPLEMENT_CHECK_VTBL_ENTRIES(__VA_ARGS__) \
} MU_C4(wrapped_handle_type, _, implementing_interface, _Vtbl_CHECK_STRUCT); \