presto-geospatial/src/main/java/io/prestosql/plugin/geospatial/GeoFunctions.java/GeoFunctions/toGeometry
class GeoFunctions:    @Description("Converts a SphericalGeography object to a Geometry object.")
    @ScalarFunction("to_geometry")
    @SqlType(GEOMETRY_TYPE_NAME)
    public static Slice toGeometry(@SqlType(SPHERICAL_GEOGRAPHY_TYPE_NAME) Slice input)
    {
        // Every SphericalGeography object is a valid geometry object
        return input;
    }