presto-thrift/src/main/java/io/prestosql/plugin/thrift/location/ExtendedSimpleAddressSelector.java/ExtendedSimpleAddressSelector/ExtendedSimpleAddressSelector
class ExtendedSimpleAddressSelector:    public ExtendedSimpleAddressSelector(AddressSelector<SimpleAddress> delegate)
    {
        this.delegate = requireNonNull(delegate, "delegate is null");
    }