/**
* Add a HTTP header which is sent on each Request.
*
* This is used for example for a session identifier header to help a proxy
* to route all requests from the same session to the same server.
*
* This is a Jackrabbit Davex specific option called from the repository
* factory.
*
* @param string $header a valid HTTP header to add to each request
*/
public function addDefaultHeader($header)
{
$this->transport->addDefaultHeader($header);
}