(a) In this section, "child" includes any person for whom an order or judgment for child support has been entered in this or another state.
(b) Except as otherwise provided in subsection (c) of this section, whether or not a trust instrument contains a spendthrift provision, a creditor of a beneficiary may not compel a distribution that is subject to the trustee's discretion, even if:
(1) The discretion is expressed in the form of a standard of distribution; or