def triggerCharacters(self):
        """Trigger characters for smart indentation"""
        return self._smartIndenter.TRIGGER_CHARACTERS
def update_snapshot_metadata_item(self, snapshot_id, id, meta_item):
        """Update metadata item for the snapshot."""
        put_body = json.dumps({'meta': meta_item})
        url = "snapshots/%s/metadata/%s" % (str(snapshot_id), str(id))
        resp, body = self.put(url, put_body)
        body = json.loads(body)
        return resp, body['meta']