title: How to download language packs from Google Translate Api or cloud translation api for offline usage?
body: <p>I am trying to build a translator application in swift and for that I have decided to go with Google Translate Api. I was searching for ways to provide user with offline translation functionality.
  I was unable to find any documentation about the same.</p>
  
  <p>Can anyone help me explore more on this issue and how to achieve it?</p>