def is_permitted(self, permission_s):
if self.authorized:<EOL><INDENT>self.check_security_manager()<EOL>return (self.security_manager.is_permitted(<EOL>self.identifiers, permission_s))<EOL><DEDENT>msg = '<STR_LIT>'<EOL>raise ValueError(msg)<EOL>
:param permission_s: a collection of 1..N permissions
:type permission_s: List of authz_abcs.Permission object(s) or String(s)

:returns: a List of tuple(s), containing the authz_abcs.Permission and a
          Boolean indicating whether the permission is granted