gml:Envelope
gml:Point
gml:LineString
gml:Polygon
gml:ArcByCenterPoint
gml:CircleByCenterPoint
gml:Arc
gml:Circle
gml:ArcByBulge
gml:Bezier
gml:Clothoid
gml:CubicSpline
gml:Geodesic
gml:OffsetCurve
gml:Triangle
gml:PolyhedralSurface
gml:TriangulatedSurface
gml:Tin
gml:Solid
LessThan
GreaterThan
LessThanEqualTo
GreaterThanEqualTo
EqualTo
NotEqualTo
Like
Between
NullCheck
MIN
MAX
SIN
COS
TAN