Metabor\Statemachine\Util\SetupHelper::findOrCreateState PHP Метод

    public function findOrCreateState($name)
    {
        if (!$this->stateCollection->hasState($name)) {
            if ($this->stateCollection instanceof StateCollection) {
                $this->stateCollection->addState($this->createState($name));
            } else {
                throw new \InvalidArgumentException('Overwrite this method to implement a different type!');
            }
        }
        return $this->stateCollection->getState($name);
    }