Here is a list of all documented namespace enums with links to the namespaces they belong to:

Alignment : PIScreenTypes
CharFlag : PIScreenTypes
Code : PIHTTP
Color : PIScreenTypes
Direction : PIScreenTypes
FocusFlag : PIScreenTypes
Method : PIHTTP
Option : PIValueTreeConversions
PICoutAction : PICoutManipulators
PICoutControl : PICoutManipulators
PICoutFormat : PICoutManipulators
PICoutSpecialChar : PICoutManipulators
QoS : PIMQTT
SizePolicy : PIScreenTypes
TypeFlag : PICodeInfo