getData(self::KEY); } /** * {@inheritdoc} */ public function getValue() { return $this->getData(self::VALUE); } /** * Set object key * * @param string $key * @return $this */ public function setKey($key) { return $this->setData(self::KEY, $key); } /** * Set object value * * @param string $value * @return $this */ public function setValue($value) { return $this->setData(self::VALUE, $value); } }