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

CurveType : cadex::Geom
Machining_FaceType : cadex
Machining_HoleType : cadex
Machining_OperationType : cadex
ShapeOrientation : cadex::ModelData
ShapeType : cadex::ModelData
SheetMetal_HemBendType : cadex
SurfaceType : cadex::Geom