code: public JdbcNeo4JDeepJobConfig<T> initialize(ExtractorConfig config) {
          Map<String, Serializable> values = config.getValues();
          if(values.get(JDBC_CONNECTION_URL) != null) {
              connectionUrl(config.getString(JDBC_CONNECTION_URL));
          }
          if(values.get(JDBC_QUERY) != null) {
              cypherQuery(config.getString(JDBC_QUERY));
          }
          super.initialize(config);
          return this;
      }
docs: {@inheritDoc}