def get_queue_acl(self, queue_name, timeout=None):
_validate_not_none('<STR_LIT>', queue_name)<EOL>request = HTTPRequest()<EOL>request.method = '<STR_LIT:GET>'<EOL>request.host = self._get_host()<EOL>request.path = _get_path(queue_name)<EOL>request.query = [<EOL>('<STR_LIT>', '<STR_LIT>'),<EOL>('<STR_LIT>', _int_to_str(timeout)),<EOL>]<EOL>response = self._perform_request(request)<EOL>return _convert_xml_to_signed_identifiers(response.body)<EOL>
Returns details about any stored access policies specified on the
queue that may be used with Shared Access Signatures.

:param str queue_name:
    The name of an existing queue.
:param int timeout:
    The server timeout, expressed in seconds.
:return: A dictionary of access policies associated with the queue.
:rtype: dict of str to :class:`~azure.storage.models.AccessPolicy`