/**
* Setter for the subject argument
*
* @param WebAssetRegistryInterface $value The value to set
*
* @return WebAssetRegistryInterface
*
* @throws BadMethodCallException if the argument is not of the expected type
*
* @since 4.0.0
*/
protected function setSubject($value)
{
if (!$value || !$value instanceof WebAssetRegistryInterface) {
throw new BadMethodCallException("Argument 'subject' of event {$this->name} is not of the expected type");
}
return $value;
}