* algorithm.
   *
   * <p>Equivalent to {@link #binarySearch(List, Function, Object, Comparator, KeyPresentBehavior,
   * KeyAbsentBehavior)} using {@link Ordering#natural}.
   */
  @SuppressWarnings("rawtypes") // https://github.com/google/guava/issues/989
  public static <E extends Comparable> int binarySearch(
      List<? extends E> list,
      E e,
      KeyPresentBehavior presentBehavior,

      }
    } catch (NullPointerException | ClassCastException e) {
      return false;
    }
  }

  private int unsafeBinarySearch(Object key) throws ClassCastException {
    return Collections.binarySearch(elements, key, unsafeComparator());
  }

  @Override
  boolean isPartialView() {
    return elements.isPartialView();
  }

  @Override
  int copyIntoArray(@Nullable Object[] dst, int offset) {

        for (int key = 0; key <= 10; key++) {
          assertModelAgrees(
              LIST_WITHOUT_DUPS,
              key,
              SortedLists.binarySearch(LIST_WITHOUT_DUPS, key, presentBehavior, absentBehavior),
              presentBehavior,
              absentBehavior);
        }
      }
    }
  }

  public void testWithDups() {

      return this;
    }
    int lowerIndex =
        SortedLists.binarySearch(
            ranges,
            Range::upperBound,
            range.lowerBound,
            KeyPresentBehavior.FIRST_AFTER,
            KeyAbsentBehavior.NEXT_HIGHER);
    int upperIndex =
        SortedLists.binarySearch(
            ranges,
            Range::lowerBound,
            range.upperBound,

      return this;
    }
    int lowerIndex =
        SortedLists.binarySearch(
            ranges,
            Range::upperBound,
            range.lowerBound,
            KeyPresentBehavior.FIRST_AFTER,
            KeyAbsentBehavior.NEXT_HIGHER);
    int upperIndex =
        SortedLists.binarySearch(
            ranges,
            Range::lowerBound,
            range.upperBound,

      fromIndex =
          SortedLists.binarySearch(
              ranges,
              Range::upperBound,
              range.lowerBound,
              KeyPresentBehavior.FIRST_AFTER,
              KeyAbsentBehavior.NEXT_HIGHER);
    } else {
      fromIndex = 0;
    }

    int toIndex;
    if (range.hasUpperBound()) {
      toIndex =
          SortedLists.binarySearch(
              ranges,

      fromIndex =
          SortedLists.binarySearch(
              ranges,
              Range::upperBound,
              range.lowerBound,
              KeyPresentBehavior.FIRST_AFTER,
              KeyAbsentBehavior.NEXT_HIGHER);
    } else {
      fromIndex = 0;
    }

    int toIndex;
    if (range.hasUpperBound()) {
      toIndex =
          SortedLists.binarySearch(
              ranges,

      for (int i = 0; i < strictlyOrderedList.size(); i++) {
        assertEquals(i, ordering.binarySearch(strictlyOrderedList, strictlyOrderedList.get(i)));
      }
      List<T> newList = Lists.newArrayList(strictlyOrderedList);
      T valueNotInList = newList.remove(1);
      assertEquals(-2, ordering.binarySearch(newList, valueNotInList));
    }

    void testSortedCopy() {

      for (int i = 0; i < strictlyOrderedList.size(); i++) {
        assertEquals(i, ordering.binarySearch(strictlyOrderedList, strictlyOrderedList.get(i)));
      }
      List<T> newList = Lists.newArrayList(strictlyOrderedList);
      T valueNotInList = newList.remove(1);
      assertEquals(-2, ordering.binarySearch(newList, valueNotInList));
    }

    void testSortedCopy() {

        for (int key = 0; key <= 10; key++) {
          assertModelAgrees(
              LIST_WITHOUT_DUPS,
              key,
              SortedLists.binarySearch(LIST_WITHOUT_DUPS, key, presentBehavior, absentBehavior),
              presentBehavior,
              absentBehavior);
        }
      }
    }
  }

  public void testWithDups() {