array getOptions() Returns all options passed during the construction of the form.

Traversable|

string getName() Gets the name of the kernel.

bool hasPreviousSession() Whether the request contains a Session which was started in one of

FormConfigBuilderInterface

static enableHttpMethodParameterOverride() Enables support for the _method request

string getLongVersion() Returns the long version of the application.

loadClassCache(string $name = 'classes', string $extension = '.php') Loads the PHP class cache.

BinaryFileResponse setFile(

offsetUnset($position) Unsupported method.