docs: def version(*names, **kwargs):
      '''
      Returns a string representing the package version or an empty string if not
      installed. If more than one package name is specified, a dict of
      name/version pairs is returned.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' pkg.version <package name>
          salt '*' pkg.version <package1> <package2> <package3> ...
      '''
      if len(names) == 1:
          vers = __proxy__['dummy.package_status'](names[0])
          return vers[names[0]]
      else:
          results = {}
          for n in names:
              vers = __proxy__['dummy.package_status'](n)
              results.update(vers)
          return results