newClassName.replace('/', File.separatorChar);
newClassName = newClassName.replace('/', File.separatorChar);
  protected void writeClass(File classesDir, String className, byte[] byteArray)  {    try      {        String tmpClassName = className.replace(File.separatorChar, '/');        String newClassName = ClassRenamingHelper.doRenaming(tmpClassName, this.renamingMap);        newClassName.replace('/', File.separatorChar);        FileOutputStream output = new FileOutputStream(new File(classesDir, newClassName + ".class"));        output.write(byteArray);        output.close();        if (! className.equals(newClassName))          {            new File(classesDir, className + ".class").delete();          }      }    catch (IOException e)      {        System.err.println("Error writing class " + className);      }  }