• BufferType : SFCGAL::algorithm::Buffer3D
• Continuity : SFCGAL::Curve
• EndCapStyle : SFCGAL::algorithm::SweepOptions
• EndCondition : SFCGAL::NURBSCurve
• FitMethod : SFCGAL::NURBSCurve
• Flag : SFCGAL::algorithm::EqualityStrictness
• FrameMethod : SFCGAL::algorithm::SweepOptions
• KnotMethod : SFCGAL::NURBSCurve
• PredicateType : SFCGAL::algorithm::SimplificationStopPredicate
• Type : SFCGAL::detail::ConstraintInfo