content-type - the content type of the result for the browser--defaults to 'text/html'.
stylesheet - specifies the stylesheet to run on all the requests. If this is not specified, a stylesheet specific to the request is loaded. That is, if the request is '/index.xml', then '/index.xsl' is loaded.
reload - A boolean that indicates whether the stylesheet should be checked for changes--defaults to false.
extensions - the extensions for which this filter should be active. If this is not specified, it will run for all requests.
static-extensions - specifies which extensions should be files on the local disk. This is an optimization for local files.