'Returns a new service which will process requests with the specified
filter.  Filtering operations can include logging, automatic retrying,
etc...  The filter is a lambda which receives the HTTPRequest and
another lambda.  The filter can perform any pre-processing on the
request, pass it off to the next lambda, and then perform any
post-processing on the response.'

def with_filter(self, filter):

    res = ServiceBusService(service_namespace=self.service_namespace, authentication=self.authentication)
    old_filter = self._filter
    def new_filter(request):
        return filter(request, old_filter)
    res._filter = new_filter
    return res
