code: 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);
      }
docs: Creates a local client from a configuration map.
  @param config the config from apiman.properties
  @param indexName the name of the ES index
  @param defaultIndexName the default ES index name
  @return the ES client