code: protected String formatUnlocalized(String traceString, Object[] parms) { // added for LIDB2667.13
          //
          // handle messages that require no localization (essentially trace)
          //
  
          // get ready to append parameters
          Object[] newParms = convertParameters(parms); //D233515.1
  
          if (newParms == null)
              return traceString;
          else {
              String formattedTrace;
  
              if (traceString.indexOf('{') >= 0) {
                  formattedTrace = Messages.getFormattedMessageFromLocalizedMessage(traceString, newParms, true);
              } else {
                  formattedTrace = traceString;
              }
  
              if (formattedTrace.equals(traceString)) {
                  // parms weren't used -- append them so they aren't lost
                  return appendUnusedParms(traceString, newParms);
              } else
                  return formattedTrace;
          }
      }
docs: Used for WsLogRecords or CommonBaseEventLogRecords that specify REQUIRES_NO_LOCALIZATION,
  
  tries to format, and if unsuccessful in using any parameters appends them per unusedParmHandling.
  
  @return the formatted trace