presto-base-jdbc/src/main/java/io/prestosql/plugin/jdbc/JdbcConnectorFactory.java/JdbcConnectorFactory/JdbcConnectorFactory
class JdbcConnectorFactory:    public JdbcConnectorFactory(String name, Module module, ClassLoader classLoader)
    {
        checkArgument(!isNullOrEmpty(name), "name is null or empty");
        this.name = name;
        this.module = requireNonNull(module, "module is null");
        this.classLoader = requireNonNull(classLoader, "classLoader is null");
    }