/**
  * {@inheritdoc}
  */
 public function getConstant($name, $namespace = '')
 {
     $parsedConstants = $this->parserStorage->getConstants();
     $constant = $this->findElementByNameAndNamespace($parsedConstants, $name, $namespace);
     if ($constant && $constant->isDocumented()) {
         return $constant;
     }
     return null;
 }