string|null removeToken(string $tokenId) Removes a CSRF token.

bool isAnonymous(

mixed getParameterOption(string|array $values, mixed $default = false, bool $onlyParams = false)

ChoiceListInterface

string escape(string $subject, string $ignore = '', int $flags) Escape a string for use in an

removeAttribute($key) Parameters $key

string getFirstArgument() Returns the first argument from the raw parameters (not parsed).

array resolve(array $options = array()) Returns the combination of the default and the passed

string|null attr(string $attribute) Returns the attribute value of the first node of the list

Route addDefaults(array $defaults)