throwExceptionIfControllerWasRemoved example

$class = ltrim($class, '\\');

        if ($this->container->has($class)) {
            return $this->container->get($class);
        }

        try {
            return parent::instantiateController($class);
        } catch (\Error $e) {
        }

        $this->throwExceptionIfControllerWasRemoved($class, $e);

        if ($e instanceof \ArgumentCountError) {
            throw new \InvalidArgumentException(sprintf('Controller "%s" has required constructor arguments and does not exist in the container. Did you forget to define the controller as a service?', $class), 0, $e);
        }

        throw new \InvalidArgumentException(sprintf('Controller "%s" does neither exist as service nor as class.', $class), 0, $e);
    }

    private function throwExceptionIfControllerWasRemoved(string $controller, \Throwable $previous): void
    {
        if ($this->container instanceof Container && isset($this->container->getRemovedIds()[$controller])) {
            

$class = ltrim($class, '\\');

        if ($this->container->has($class)) {
            return $this->container->get($class);
        }

        try {
            return parent::instantiateController($class);
        } catch (\Error $e) {
        }

        $this->throwExceptionIfControllerWasRemoved($class, $e);

        if ($e instanceof \ArgumentCountError) {
            throw new \InvalidArgumentException(sprintf('Controller "%s" has required constructor arguments and does not exist in the container. Did you forget to define the controller as a service?', $class), 0, $e);
        }

        throw new \InvalidArgumentException(sprintf('Controller "%s" does neither exist as service nor as class.', $class), 0, $e);
    }

    private function throwExceptionIfControllerWasRemoved(string $controller, \Throwable $previous): void
    {
        if ($this->container instanceof Container && isset($this->container->getRemovedIds()[$controller])) {