* that gets messy here, and we already have null tests for Range.
   */

  /*
   * These generators also rely on consecutive integer inputs (not necessarily in order, but no
   * holes).
   */

  // SetCreationTester has some tests that pass in duplicates. Dedup them.
  private static <E extends Comparable<? super E>> SortedSet<E> nullCheckedTreeSet(E[] elements) {

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  return peak;
}

int Rematerializer::FindBestRematPoint(const int begin, const int end,
                                       const int peak_loc) const {
  // All tensors necessarily have their last use before or at the last operator
  // (which is the yield operation of a function), so an unchanged best ==
  // operations_.size() value means that there is no valid configuration.

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