code: public void config(
              String sourceClass,
              String sourceMethod,
              String msg,
              Object param1
              )
      {
          _log.logp(Level.CONFIG, sourceClass, sourceMethod, msg, param1);
      }
docs: Log a CONFIG message, with one object parameter.
  <p>
  The message is forwarded to appropriate Java Logger objects.
  <p>
  @param sourceClass  the name of the class that issued the logging request
  @param sourceMethod the name of the method that issued the logging request
  @param msg          the string message (or a key in the resource bundle)
  @param param1       a parameter to the message