ViewErrorBag 
 class ViewErrorBag implements Countable (View source) 
Methods
 bool   hasBag(string $key = 'default') Checks if a named MessageBag exists in the bags.    MessageBag   getBag(string $key) Get a MessageBag instance from the bags.    array   getBags() Get all the bags.    $this   put(string $key, MessageBag $bag) Add a new MessageBag instance to the bags.    int   count() Get the number of messages in the default bag.    mixed   __call(string $method, array $parameters) Dynamically