Sec. 7. "Series", in the context of a series limited liability company, means a limited liability company series of interest established from time to time by the filing of articles of designation that:
(1) has separate rights, powers, or duties with respect to specified property or obligations; and
(2) to the extent provided for in an operating agreement, may have a separate business purpose or investment objective from that of:
(A) the master limited liability company; or
(B) any other series of the master limited liability company.