Returns a configuration context object.
string $class: (Optional) The name of the configuration class to use. Defaults to Drupal\Core\Config\Context\ConfigContext
\Drupal\Core\Config\Context\ContextInterface $context (Optional) The configuration context to use.
public function get($class = NULL) {
if (!$class) {
$class = 'Drupal\\Core\\Config\\Context\\ConfigContext';
}
if (class_exists($class)) {
$context = new $class($this->eventDispatcher);
}
else {
throw new ConfigException(sprintf('Unknown config context class: %s', $class));
}
return $context;
}