<http://schema.org/description>
"Retrieve file attachment content (Note: image manipulation arguments are ignored for HEAD requests)\n \n \nREST Method: HEAD\n \nMethod Access: public"^^<http://www.w3.org/2001/XMLSchema#string>
<https://success.mindtouch.com/Documentation/MindTouchTCS/Scripting/Enhance_with_APIs/API_calls/files/files%2F%2F%7Bfileid%7D_(HEAD)>