to determine the size of the Handle. Depending on the implementation of your
handle object, setting the content length may fail. If it is at all possible
for you to determine the content length of your handle object,
-it is recomended that you set the content length in the response headers
+it is recommended that you set the content length in the response headers
yourself, which will be respected and sent by Catalyst in the response.
=head2 $res->has_body