code: public void config(
              String sourceClass,
              String sourceMethod,
              String msg,
              Object[] params
              )
      {
          logp(Level.CONFIG, sourceClass, sourceMethod, msg, params);
      }
docs: Log a CONFIG message, with an array of object arguments.
  <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 params       an array of parameters to the message