private static DocumentRetriever createDocumentRetriever(ClientParameters params) {
        return new DocumentRetriever(
                new ClusterList("client"),
                new DocumentAccessFactory(),
                params
        );
    }
The vespa-get tool retrieves documents from a Vespa Document Storage cluster, and prints them to stdout as XML.

@author bjorncs
vespaclient-java/src/main/java/com/yahoo/vespaget/Main.java