geometry
POINT (30 10)
LINESTRING (30 10, 10 30, 40 40)
POLYGON ((30 10, 40 40, 20 40, 10 20, 30 10))
MULTIPOINT ((30 10))
MULTILINESTRING ((30 10, 10 30, 40 40))
MULTIPOLYGON (((30 10, 40 40, 20 40, 10 20, 30 10)))
GEOMETRYCOLLECTION (POINT (30 10), LINESTRING (30 10, 10 30, 40 40), POLYGON ((30 10, 40 40, 20 40, 10 20, 30 10)), MULTIPOINT ((30 10)), MULTILINESTRING ((30 10, 10 30, 40 40)), MULTIPOLYGON (((30 10, 40 40, 20 40, 10 20, 30 10))))

GEOMETRYCOLLECTION EMPTY