/Users/qt/work/qt/qtwebengine/src/core/net/url_request_notification.cpp:112:31: error: calling 'property' with incomplete return type 'TestNamespace::QVariant'

...
agent:2019/11/10 23:10:43 build.go:220: /Users/qt/work/install/include/QtCore/qglobal.h:200:4: warning: using namespace directive in global context in header [-Wheader-hygiene]
agent:2019/11/10 23:10:43 build.go:220:    QT_USE_NAMESPACE
agent:2019/11/10 23:10:43 build.go:220:    ^
agent:2019/11/10 23:10:43 build.go:220: /Users/qt/work/install/include/QtCore/qglobal.h:165:45: note: expanded from macro 'QT_USE_NAMESPACE'
agent:2019/11/10 23:10:43 build.go:220: # define QT_USE_NAMESPACE using namespace ::QT_NAMESPACE;
agent:2019/11/10 23:10:43 build.go:220:                                             ^
agent:2019/11/10 23:10:43 build.go:220: <command line>:30:22: note: expanded from here
agent:2019/11/10 23:10:43 build.go:220: #define QT_NAMESPACE TestNamespace
agent:2019/11/10 23:10:43 build.go:220:                      ^
agent:2019/11/10 23:10:43 build.go:220: In file included from /Users/qt/work/qt/qtwebengine/src/core/net/url_request_notification.cpp:44:
agent:2019/11/10 23:10:43 build.go:220: In file included from ../../3rdparty/chromium/content/browser/web_contents/web_contents_impl.h:28:
agent:2019/11/10 23:10:43 build.go:220: In file included from ../../3rdparty/chromium/content/browser/frame_host/frame_tree.h:19:
agent:2019/11/10 23:10:43 build.go:220: In file included from ../../3rdparty/chromium/content/browser/frame_host/frame_tree_node.h:18:
agent:2019/11/10 23:10:43 build.go:220: In file included from ../../3rdparty/chromium/content/browser/frame_host/render_frame_host_impl.h:37:
agent:2019/11/10 23:10:43 build.go:220: In file included from ../../3rdparty/chromium/content/browser/site_instance_impl.h:14:
agent:2019/11/10 23:10:43 build.go:220: In file included from ../../3rdparty/chromium/content/browser/renderer_host/render_process_host_impl.h:43:
agent:2019/11/10 23:10:43 build.go:220: ../../3rdparty/chromium/content/public/browser/browser_task_traits.h:70:14: warning: suggest braces around initialization of subobject [-Wmissing-braces]
agent:2019/11/10 23:10:43 build.go:220:             {static_cast<uint8_t>(browser_thread_),
agent:2019/11/10 23:10:43 build.go:220:              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
agent:2019/11/10 23:10:43 build.go:220: /Users/qt/work/qt/qtwebengine/src/core/net/url_request_notification.cpp:112:31: error: calling 'property' with incomplete return type 'TestNamespace::QVariant'
agent:2019/11/10 23:10:43 build.go:220:             if (!interceptor->property("deprecated").toBool())
agent:2019/11/10 23:10:43 build.go:220:                  ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
agent:2019/11/10 23:10:43 build.go:220: /Users/qt/work/install/include/QtCore/qobject.h:397:14: note: 'property' declared here
agent:2019/11/10 23:10:43 build.go:220:     QVariant property(const char *name) const;
agent:2019/11/10 23:10:43 build.go:220:              ^
agent:2019/11/10 23:10:43 build.go:220: /Users/qt/work/install/include/QtCore/qmetatype.h:1971:1: note: forward declaration of 'TestNamespace::QVariant'
agent:2019/11/10 23:10:43 build.go:220: QT_FOR_EACH_STATIC_CORE_CLASS(QT_FORWARD_DECLARE_STATIC_TYPES_ITER)
agent:2019/11/10 23:10:43 build.go:220: ^
agent:2019/11/10 23:10:43 build.go:220: /Users/qt/work/install/include/QtCore/qmetatype.h:127:21: note: expanded from macro 'QT_FOR_EACH_STATIC_CORE_CLASS'
agent:2019/11/10 23:10:43 build.go:220:     F(QVariant, 41, QVariant) \
agent:2019/11/10 23:10:43 build.go:220:                     ^
agent:2019/11/10 23:10:43 build.go:220: 2 warnings and 1 error generated.
...