/**
  * Entry point: Write staticTarget member, then read it back
  *
  * @param   lang.XPClass
  * @return  string
  */
 public static function writeStatic(XPClass $class)
 {
     with($f = $class->getField('staticTarget'));
     $f->set(NULL, 'Modified');
     return $f->get(NULL);
 }