@Override
    public Optional<ColumnMapper<?>> build(Type type, ConfigRegistry config) {
        Class<?> rawType = getErasedType(type);

        return Optional.ofNullable(mappers.get(rawType));
    }
Column mapper factory which knows how to map networking related objects:
<ul>
    <li>{@link InetAddress}</li>
    <li>{@link URL}</li>
    <li>{@link URI}</li>
</ul>
core/src/main/java/org/jdbi/v3/core/mapper/InternetMapperFactory.java