code: public static MapGeometry jsonToGeometry(JsonParser json) {
  		MapGeometry geom = OperatorImportFromJson.local().execute(Geometry.Type.Unknown, new JsonParserReader(json));
  		return geom;
  	}
docs: Imports the MapGeometry from its JSON representation. M and Z values are
  not imported from JSON representation.
  
  See OperatorImportFromJson.
  
  @param json
  The JSON representation of the geometry (with spatial
  reference).
  @return The MapGeometry instance containing the imported geometry and its
  spatial reference.