docs: public JestClient createLocalClient(Map<String, String> config, String indexName, String defaultIndexName) {
          String clientLocClassName = config.get("client.class"); //$NON-NLS-1$
          String clientLocFieldName = config.get("client.field"); //$NON-NLS-1$
          return createLocalClient(clientLocClassName, clientLocFieldName, indexName, defaultIndexName);
      }