ApiGen\Parser\Reflection\ReflectionParameterMagic::getClassName PHP Method

    public function getClassName()
    {
        if ($this->isArray() || $this->isCallable()) {
            return null;
        }
        if (isset($this->getParsedClasses()[$this->typeHint])) {
            return $this->typeHint;
        }
        return null;
    }