title: Property 'locals' does not exist on type 'Response'
body: <p>I want to use <code>res.locals</code> to pass some data between middlewares but typescript says I can't. :(</p>
  
  <p>I am using <a href="http://restify.com/" rel="nofollow noreferrer">Restify</a> by the way. Do I need a plugin?
  If not, an alternative solution for passing data between middlewares would be appreciated.</p>