public <D, R, T extends BuildOperationType<D, R>> TypedRecord<D, R> mostRecent(Class<T> type) {
            Class<D> detailsType = BuildOperationTypes.detailsType(type);
            Iterator<Record> iterator = records.descendingIterator();
            while (iterator.hasNext()) {
                Record record = iterator.next();
                Object details = record.descriptor.getDetails();
                if (detailsType.isInstance(details)) {

            }
          }
          return elemItr.next();
        }
      };
    }

    @Override
    @GwtIncompatible("NavigableSet")
    public UnmodifiableIterator<C> descendingIterator() {
      return new AbstractIterator<C>() {
        final Iterator<Range<C>> rangeItr = ranges.reverse().iterator();
        Iterator<C> elemItr = Iterators.emptyIterator();

        @Override

      iterator.remove();
      fail("UnsupportedOperationException expected");
    } catch (UnsupportedOperationException expected) {
    }
    try {
      Iterator<Integer> iterator = unmod.descendingIterator();
      iterator.next();
      iterator.remove();
      fail("UnsupportedOperationException expected");
    } catch (UnsupportedOperationException expected) {
    }
  }

Lokio/internal/_BufferKt;
Lokio/internal/_ByteStringKt;
Lokio/internal/_PathKt;
PLandroidx/arch/core/internal/SafeIterableMap$DescendingIterator;-><init>(Landroidx/arch/core/internal/SafeIterableMap$Entry;Landroidx/arch/core/internal/SafeIterableMap$Entry;)V
PLandroidx/arch/core/internal/SafeIterableMap$DescendingIterator;->forward(Landroidx/arch/core/internal/SafeIterableMap$Entry;)Landroidx/arch/core/internal/SafeIterableMap$Entry;

        final Supplier<String> pathSupplier = () -> {
            final boolean parallel = false;
            return StreamSupport.stream(((Iterable<ActivationFrame>) stk::descendingIterator).spliterator(), parallel)
                    .map(ActivationFrame::location)
                    .collect(Collectors.joining("."));
        };
        final Supplier<InputLocation> locationSupplier = () -> {

      iterator.remove();
      fail("UnsupportedOperationException expected");
    } catch (UnsupportedOperationException expected) {
    }
    try {
      Iterator<Integer> iterator = unmod.descendingIterator();
      iterator.next();
      iterator.remove();
      fail("UnsupportedOperationException expected");
    } catch (UnsupportedOperationException expected) {
    }
  }

        final Supplier<String> pathSupplier = () -> {
            final boolean parallel = false;
            return StreamSupport.stream(((Iterable<ActivationFrame>) stk::descendingIterator).spliterator(), parallel)
                    .map(ActivationFrame::location)
                    .collect(Collectors.joining("."));
        };
        final Supplier<InputLocation> locationSupplier = () -> {

    }

    @Override
    public NavigableSet<K> descendingSet() {
      return map().descendingKeySet();
    }

    @Override
    public Iterator<K> descendingIterator() {
      return descendingSet().iterator();
    }

    @Override
    public NavigableSet<K> subSet(
        @ParametricNullness K fromElement,
        boolean fromInclusive,

    }

    @Override
    public NavigableSet<K> descendingSet() {
      return map().descendingKeySet();
    }

    @Override
    public Iterator<K> descendingIterator() {
      return descendingSet().iterator();
    }

    @Override
    public NavigableSet<K> subSet(
        @ParametricNullness K fromElement,
        boolean fromInclusive,