presto-elasticsearch/src/main/java/io/prestosql/elasticsearch/ElasticsearchColumnHandle.java/ElasticsearchColumnHandle/ElasticsearchColumnHandle
class ElasticsearchColumnHandle:    @JsonCreator
    public ElasticsearchColumnHandle(
            @JsonProperty("name") String name,
            @JsonProperty("type") Type type)
    {
        this.name = requireNonNull(name, "name is null");
        this.type = requireNonNull(type, "type is null");
    }