/**
  * Return config value
  *
  * @access public
  * @param void
  * @return mixed
  */
 function getValue()
 {
     $handler = $this->getConfigHandler();
     $handler->setRawValue(parent::getValue());
     return $handler->getValue();
 }
 /**
  * Get value
  *
  * @param null
  * @return mixed
  */
 function getValue()
 {
     $raw = parent::getValue();
     return $raw ? unserialize($raw) : null;
 }