Basket/Basket/Basket.php
public function load(string $class, array $options = [])
    {
        /** @var LoaderInterface $loader */
        $loader = $this->loaders->get($class);
        $options = $this->resolveOptions($loader, $options);
        $element = $loader->load($options, $this, $this->payCollection);

        if (!$element instanceof $class) {
            throw new \UnexpectedValueException(sprintf(
                'Loaded element is expected to be an instance of "%s".',
                $class
            ));
        }

        return $element;
    }
public function load(string $class, array $options = [])
    {
        /** @var LoaderInterface $loader */
        $loader = $this->loaders->get($class);
        $options = $this->resolveOptions($loader, $options);
        $element = $loader->load($options, $this, $this->payCollection);

        if (!$element instanceof $class) {
            throw new \UnexpectedValueException(sprintf(
                'Loaded element is expected to be an instance of "%s".',
                $class
            ));
        }

        return $element;
    }
{@inheritdoc}