GetSubscription.
        [Preview API] Get a notification subscription by its ID.
        :param str subscription_id:
        :param str query_flags:
        :rtype: :class:`<NotificationSubscription> <azure.devops.v5_0.notification.models.NotificationSubscription>`

def get_subscription(self, subscription_id, query_flags=None):
        """GetSubscription.
        [Preview API] Get a notification subscription by its ID.
        :param str subscription_id:
        :param str query_flags:
        :rtype: :class:`<NotificationSubscription> <azure.devops.v5_0.notification.models.NotificationSubscription>`
        """
        route_values = {}
        if subscription_id is not None:
            route_values['subscriptionId'] = self._serialize.url('subscription_id', subscription_id, 'str')
        query_parameters = {}
        if query_flags is not None:
            query_parameters['queryFlags'] = self._serialize.query('query_flags', query_flags, 'str')
        response = self._send(http_method='GET',
                              location_id='70f911d6-abac-488c-85b3-a206bf57e165',
                              version='5.0-preview.1',
                              route_values=route_values,
                              query_parameters=query_parameters)
        return self._deserialize('NotificationSubscription', response)