Here is a list of all namespace variables with links to the namespace documentation for each variable:

value_type_has_first_v : QContainerInfo
value_type_has_first_v< C, std::void_t< decltype(key_type< C >(value_type< C >().first))> > : QContainerInfo
value_type_has_second_v : QContainerInfo
value_type_has_second_v< C, std::void_t< decltype(mapped_type< C >(value_type< C >().second))> > : QContainerInfo
vector : src_gui_math3d_qquaternion
verbosity : QTest
VERTEX_BUFFER_BINDING : QSGBatchRenderer
VERTEX_BUFFER_ENTRY_STRUCT_SIZE : QSSGMesh
videoCodecOptionTable : QFFmpeg
VideoFrameTimeBase : QFFmpeg
VIEWPORT_MAX_DEPTH : QSGBatchRenderer
VIEWPORT_MIN_DEPTH : QSGBatchRenderer
violet : QColorConstants::Svg
visibleMenu : QtAndroidMenu
visibleMenuBar : QtAndroidMenu
visibleMenuMutex : QtAndroidMenu
visibleProperty : qdesigner_internal