EndpointPair.unordered(1, 1),
            EndpointPair.unordered(1, 3))
        .inOrder();
  }

  /**
   * Populates the graph with nodes and edges in a star shape with node `1` in the middle.
   *
   * <p>Note that the edges are added in a shuffled order to properly test the effect of the
   * insertion order.
   */
  private void populateTShapedGraph() {
    putEdge(2, 1);
    putEdge(1, 4);

        .containsExactly(4, 3, 2, 1)
        .inOrder();
  }

  public void testToSortedSet_removeDuplicates() {
    assertThat(fluent(1, 4, 1, 3).toSortedSet(Ordering.<Integer>natural().reverse()))
        .containsExactly(4, 3, 1)
        .inOrder();
  }

  public void testToMultiset() {
    assertThat(fluent(1, 2, 1, 3, 2, 4).toMultiset()).containsExactly(1, 1, 2, 2, 3, 4).inOrder();
  }

            EndpointPair.ordered(1, 3),
            EndpointPair.ordered(1, 2))
        .inOrder();
  }

  /**
   * Populates the graph with nodes and edges in a star shape with node `1` in the middle.
   *
   * <p>Note that the edges are added in a shuffled order to properly test the effect of the
   * insertion order.
   */
  private void populateStarShapedGraph() {
    putEdge(2, 1);
    putEdge(1, 4);

    assertThat(actual.getLowerBounds())
        .asList()
        .containsExactlyElementsIn(asList(expected.getLowerBounds()))
        .inOrder();
    assertThat(actual.getUpperBounds())
        .asList()
        .containsExactlyElementsIn(asList(expected.getUpperBounds()))
        .inOrder();
  }

  private static class WithTypeVariable {

    @SuppressWarnings("unused")
    <T> void withoutBound(List<T> list) {}

  }

  public void testPresentInstances_callingIteratorTwice() {
    List<Optional<String>> optionals =
        ImmutableList.of(Optional.of("a"), Optional.<String>absent(), Optional.of("c"));
    Iterable<String> onlyPresent = Optional.presentInstances(optionals);
    assertThat(onlyPresent).containsExactly("a", "c").inOrder();

    assertThat(Sets.cartesianProduct(set(1), set(2, 3)))
        .containsExactly(list(1, 2), list(1, 3))
        .inOrder();
  }

  public void testCartesianProduct_binary2x2() {
    assertThat(Sets.cartesianProduct(set(1, 2), set(3, 4)))
        .containsExactly(list(1, 3), list(1, 4), list(2, 3), list(2, 4))
        .inOrder();
  }

  public void testCartesianProduct_2x2x2() {

        {
          "datasource": {
            "type": "prometheus",
            "uid": "${datasource}"
          },
          "expr": "sum(rate(istio_requests_total{reporter=\"source\", response_code!~\"5.*\"}[1m])) / sum(rate(istio_requests_total{reporter=\"source\"}[1m]))",
          "format": "time_series",
          "intervalFactor": 1,
          "refId": "A",
          "step": 4
        }
      ],

        .containsExactly(4, 3, 2, 1)
        .inOrder();
  }

  public void testToSortedSet_removeDuplicates() {
    assertThat(fluent(1, 4, 1, 3).toSortedSet(Ordering.<Integer>natural().reverse()))
        .containsExactly(4, 3, 1)
        .inOrder();
  }

  public void testToMultiset() {
    assertThat(fluent(1, 2, 1, 3, 2, 4).toMultiset()).containsExactly(1, 1, 2, 2, 3, 4).inOrder();
  }

    assertThat(actual.getLowerBounds())
        .asList()
        .containsExactlyElementsIn(asList(expected.getLowerBounds()))
        .inOrder();
    assertThat(actual.getUpperBounds())
        .asList()
        .containsExactlyElementsIn(asList(expected.getUpperBounds()))
        .inOrder();
  }

  private static class WithTypeVariable {

    @SuppressWarnings("unused")
    <T> void withoutBound(List<T> list) {}

            .add(Range.closed(5, 8))
            .add(Range.closedOpen(1, 3))
            .build();

    assertThat(rangeSet.asRanges())
        .containsExactly(Range.closedOpen(1, 3), Range.closed(5, 8))
        .inOrder();

    assertTrue(rangeSet.intersects(Range.closed(1, 2)));
    assertTrue(rangeSet.intersects(Range.open(5, 8)));
    assertFalse(rangeSet.intersects(Range.closed(3, 4)));