mixed __call(string $method, array $parameters) Dynamically handle calls

Store|null getSession()

throwResponse() Throws the response in a HttpResponseException instance.

bool hasHeader(string $key) Determine if a header is set on the request

JsonResponse class JsonResponse extends JsonResponse (

$this __call(string $method, array $parameters) Dynamically bind flash

string|null prefers(string|array $contentTypes) Return the most suitable

string extension() Get the file's extension.

bool exists(string|array $key) Determine if the request contains a given

UploadedFile|array|null file(string $key = null, mixed $default = null)