presto-main/src/main/java/io/prestosql/operator/Driver.java/Driver/createDriver
class Driver:    public static Driver createDriver(DriverContext driverContext, List<Operator> operators)
    {
        requireNonNull(driverContext, "driverContext is null");
        requireNonNull(operators, "operators is null");
        Driver driver = new Driver(driverContext, operators);
        driver.initialize();
        return driver;
    }