getApplicationVersion()

getRequestQuery()

err($message, array $context = array()) deprecated

onKernelRequest(GetResponseEvent

bool purge(string $url) Purges data for the given URL.

class FilterControllerEvent extends

terminateWithException(Exception $exception)

purge() Purges all data from the storage.

addSurrogateCapability(Request $request)

bool has(string $name) Returns true if a Collector for the given name exists.