Whether the scope of collateral review of class action judgments comports with the Due Process Clause

question presented is: Whether, or in what circumstances, the scope of the collateral review of an alleged absent class member’s collateral attack on a class action judgment, comports with the Due Process Clause. Whether, or in what circumstances, a cy pres award of class action proceeds, which provides no direct benefit or relief to class members, comports with the Due Process Clause. Whether, or in what circumstances, a “fail-safe” definition for a settlement class, which is conditioned on the paramount liability question, comports with the Due Process Clause.