static Response create(

Response setExpires(

string getContent() Gets the current response content.

removeCacheControlDirective(string $key) Removes a Cache-Control directive.

bool isFresh() Returns true if the response is "fresh". Fresh responses may be served

Response setPublic()

setAutoEtag() Automatically sets the ETag header according to the checksum of the file.

replace(array $parameters = array()) Replaces the current parameters by a new set.

bool has(string $key) Returns true if the parameter is defined.

class StreamedResponse extends Response