code: public ProxyDataSourceBuilder logQueryByJUL(Level logLevel, String julLoggerName) {
          this.createJulQueryListener = true;
          this.julLogLevel = logLevel;
          this.julLoggerName = julLoggerName;
          return this;
      }
docs: Register {@link JULQueryLoggingListener}.
  
  @param logLevel      log level for JUL
  @param julLoggerName JUL logger name
  @return builder
  @since 1.4