public function getItemName($name)
    {
        $lowerName = strtolower($name);
        foreach ([
             $this->classNames,
             $this->interfaceNames,
             $this->traitNames,
         ] as $source) {
            if (isset($source[$lowerName])) {
                return $source[$lowerName];
            }
        }
        return null;
    }