class ParameterCircularReferenceException

ParameterBag.php in drupal/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ParameterBag/ParameterBag.php

ParameterBagTest.php in drupal/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Tests/ParameterBag/ParameterBagTest.php

class ParameterCircularReferenceException extends RuntimeException {
  private $parameters;
  public function __construct($parameters, \Exception $previous = null) {
    parent::__construct(sprintf('Circular reference detected for parameter "%s" ("%s" > "%s").', $parameters[0], implode('" > "', $parameters), $parameters[0]), 0, $previous);
    $this->parameters = $parameters;
  }
  public function getParameters() {
    return $this->parameters;
  }

}