public function getPlugins()
    {

        // iterate over the operations and return the subjects of the actual one
        /** @var TechDivision\Import\Configuration\OperationInterface $operation */
        foreach ($this->getOperations() as $operation) {
            if ($this->getOperation()->equals($operation)) {
                return $operation->getPlugins();
            }
        }

        // throw an exception if no plugins are available
        throw new \Exception(sprintf('Can\'t find any plugins for operation %s', $this->getOperation()));
    }