geometry
POINT M (30 10 300)
LINESTRING M (30 10 300, 10 30 300, 40 40 1600)
POLYGON M ((30 10 300, 40 40 1600, 20 40 800, 10 20 200, 30 10 300))
MULTIPOINT M ((30 10 300))
MULTILINESTRING M ((30 10 300, 10 30 300, 40 40 1600))
MULTIPOLYGON M (((30 10 300, 40 40 1600, 20 40 800, 10 20 200, 30 10 300)))
GEOMETRYCOLLECTION M (POINT M (30 10 300), LINESTRING M (30 10 300, 10 30 300, 40 40 1600), POLYGON M ((30 10 300, 40 40 1600, 20 40 800, 10 20 200, 30 10 300)), MULTIPOINT M ((30 10 300)), MULTILINESTRING M ((30 10 300, 10 30 300, 40 40 1600)), MULTIPOLYGON M (((30 10 300, 40 40 1600, 20 40 800, 10 20 200, 30 10 300))))

GEOMETRYCOLLECTION M EMPTY