R.I. Gen. Laws § 44-9-42: Decree on petition to establish title.

The notified persons shall by answer show why they should not be required to bring an action to try their claim or claims, and the court shall enter an appropriate decree relative to bringing and prosecuting the action. If the notified persons do not appear within the fixed time or, having appeared, disobey the lawful order of the court to try their claim or claims, the court shall enter a decree that they are forever barred from having or enforcing any adverse claim or claims to the petitioner, his or her heirs or assigns, in the described land.