List the objects for this bucket.

        :param str prefix: If specified, only objects that start with this
                           prefix are listed.
        :param str delimiter: If specified, return only objects whose name
                              do not contain the delimiter after the prefix.
                              For the other objects, the response contains
                              (in the prefix response parameter) the name
                              truncated after the delimiter. Duplicates are
                              omitted.

def list_objects(self, prefix=None, delimiter=None):
        """
        List the objects for this bucket.

        :param str prefix: If specified, only objects that start with this
                           prefix are listed.
        :param str delimiter: If specified, return only objects whose name
                              do not contain the delimiter after the prefix.
                              For the other objects, the response contains
                              (in the prefix response parameter) the name
                              truncated after the delimiter. Duplicates are
                              omitted.
        """
        return self._client.list_objects(
            instance=self._instance, bucket_name=self.name, prefix=prefix,
            delimiter=delimiter)