
dls:documents-query() as cts:query
This function returns a query that matches the latest versions of the managed documents in the database.
dls-user role is required to run 
    this function, or the privilege:http://marklogic.com/xdmp/privileges/dls-user
    
  xquery version "1.0-ml";
  import module namespace dls = "http://marklogic.com/xdmp/dls" 
      at "/MarkLogic/dls.xqy";
  cts:search(fn:doc(), dls:documents-query()) 
 
  (: Returns the latest versions of the managed documents in the database. :)