VariationFactory.php
public function createNew(string $name, array $parameters)
    {
        if (!$this->configResolver instanceof ConfigResolver) {
            $this->configResolver = $this->getResolver();
        }

        if (!isset($this->map[$parameters['type']])) {
            throw new \InvalidArgumentException(sprintf('Variation type %s is not valid', $parameters['type']));
        }
        $class = $this->map[$parameters['type']];
        $class::validateParameters($parameters);

        return new $class($name, $parameters, $this->configResolver);
    }
public function createNew(string $name, array $parameters)
    {
        if (!$this->configResolver instanceof ConfigResolver) {
            $this->configResolver = $this->getResolver();
        }

        if (!isset($this->map[$parameters['type']])) {
            throw new \InvalidArgumentException(sprintf('Variation type %s is not valid', $parameters['type']));
        }
        $class = $this->map[$parameters['type']];
        $class::validateParameters($parameters);

        return new $class($name, $parameters, $this->configResolver);
    }
@param string $name
@param array  $parameters

@return AbstractVariation

@throws \InvalidArgumentException