--- /dev/null
+# http\Env\Response http\Env\Response::setCacheControl(string $cache_control)
+
+Make suggestions to the client how it should cache the response.
+
+## Params:
+
+* string $cache_control
+ (A) "Cache-Control" header value(s).
+
+## Returns:
+
+* http\Env\Response, self.