Clojurians Log v2

Does aleph server close the InputStreams that it sends as responses? Say, I have a reitit route like this:

["/my/route"
  {:get {;; a lot of stuff
         :handler (function-that-returns-response-with-body-as-inputstream)}}]

The handler returns a response whose :body is an InputStream. Will aleph call .close on it after it's done streaming it out? Because I cannot close it while it is still being streamed, and I don't know when aleph would be done with it. Or is there a post-processing callback that I can use? Or does aleph guarantee that the stream will be closed (as I would expect when passing it on in this fashion)?