string getCharset() Retrieves the response charset.
string|null getPreferredLanguage(array $locales = null) Returns the preferred language.
BinaryFileResponse
DateTime getDate() Returns
Request|null getMasterRequest()
AcceptHeaderItem setValue(string
setMethod(string $method) Sets the request method.
setDefaultLocale(string $locale) Sets the default locale.
string getAlpha(string $key, string $default = '') Returns the alphabetic characters of the parameter
replace(array $files = array()) Replaces the current parameters by a new set.
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