code: def _compute_type_url(klass, prefix=_GOOGLE_APIS_PREFIX):
      
      name = klass.DESCRIPTOR.full_name
      return "%s/%s" % (prefix, name)
docs: Compute a type URL for a klass.
  
      :type klass: type
      :param klass: class to be used as a factory for the given type
  
      :type prefix: str
      :param prefix: URL prefix for the type
  
      :rtype: str
      :returns: the URL, prefixed as appropriate