(1) If a claim which will mature at a future time, or a contingent or unliquidated claim, matures or becomes certain before the distribution of the estate, and if the claim has been allowed, it shall be paid in the same manner as matured and absolute claims of the same class.
(2) In other cases the personal representative or, on petition of the personal representative or the claimant in a special proceeding for the purpose, the court may provide for payment as follows:
(a) If the claimant consents, he may be paid the present or agreed value of the claim, taking any uncertainty into account;
(b) Arrangement for future payment, or possible payment, on the happening of the contingency or on liquidation may be made by creating a trust, giving a mortgage, obtaining a bond or security from a distributee, or otherwise.