string getLocale() Get the locale. Return
bool isValidateable() Returns true if the response includes headers that can be used to validate
bool matches(Request $request)
RedirectResponse setTargetUrl(string
AcceptHeader add(
Response expire()
bool mustRevalidate() Returns true if the response must be revalidated by caches. This
string getMimeType(string $format) Gets the mime type associated with the format.
bool contains(string $key, string $value) Returns true if the given HTTP header contains the
bool hasCacheControlDirective(string $key) Returns true if the Cache-Control directive is defined
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