In this section, the term “cruel, inhuman, or degrading treatment or punishment” means cruel, unusual, and inhumane treatment or punishment prohibited by the Fifth, Eighth, and Fourteenth Amendments to the Constitution of the United States, as defined in the United States Reservations, Declarations and Understandings to the United Nations Convention Against Torture and Other Forms of Cruel, Inhuman or Degrading Treatment or Punishment done at New York, December 10, 1984.