Response setDate(
Namespaces
Response setExpires(
replace(array $headers = array()) Replaces the current HTTP headers by a new set.
array getVary() Returns an array of header names given in the Vary header.
DateTime|null getExpires()
bool isFresh() Returns true if the response is "fresh". Fresh responses may be served
class HeaderBag implements IteratorAggregate,
class StreamedResponse extends Response
JsonResponse setCallback(string|null
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