class GeoFunctions {

    @Description("Returns a geometry that represents the point set union of the input geometries.")
    @ScalarFunction("ST_Union")
    @SqlType(GEOMETRY_TYPE_NAME)
    public static Slice stUnion(@SqlType(GEOMETRY_TYPE_NAME) Slice left, @SqlType(GEOMETRY_TYPE_NAME) Slice right)
    {
        return stUnion(ImmutableList.of(left, right));
    }

    private  GeoFunctions();

}