assertEquals(c.getKey(), navigableMap.lastKey());
  }

  @CollectionSize.Require(absent = ZERO)
  public void testHeadMapExclusive() {
    assertFalse(navigableMap.headMap(a.getKey()).containsKey(a.getKey()));
  }

  @CollectionSize.Require(absent = ZERO)
  public void testTailMapInclusive() {
    assertTrue(navigableMap.tailMap(a.getKey()).containsKey(a.getKey()));
  }

  public void testHeadMap() {

            when(mockReferralData.getKey()).thenReturn(key);
            doNothing().when(mockReferralData).setKey(key);

            mockReferralData.setKey(key);
            String retrievedKey = mockReferralData.getKey();

            assertEquals(key, retrievedKey);
            verify(mockReferralData, times(1)).setKey(key);
            verify(mockReferralData, times(1)).getKey();

            }
          }
        }
      }
    }
  }

  private void assertRelated(int groupNumber, int itemNumber, int relatedItemNumber) {
    Item<T> itemInfo = getItem(groupNumber, itemNumber);
    Item<T> relatedInfo = getItem(groupNumber, relatedItemNumber);

    T item = itemInfo.value;
    T related = relatedInfo.value;
    assertWithTemplate(
        "$ITEM must be $RELATIONSHIP to $OTHER",

        MavenProject project1 = getProject(pom1);

        assertEquals(project1.getScm().getUrl(), project0.getScm().getUrl() + "/modules/p1");
        assertEquals(project1.getScm().getConnection(), project0.getScm().getConnection() + "/modules/p1");
        assertEquals(
                project1.getScm().getDeveloperConnection(), project0.getScm().getDeveloperConnection() + "/modules/p1");
    }

    @Test

    assertFalse(
        "Sets of different sizes should not be equal.",
        getSet().equals(MinimalSet.from(moreElements)));
  }

  public void testEquals_list() {
    assertFalse("A List should never equal a Set.", getSet().equals(copyToList(getSet())));
  }

    assertFalse(
        "Sets of different sizes should not be equal.",
        getSet().equals(MinimalSet.from(moreElements)));
  }

  public void testEquals_list() {
    assertFalse("A List should never equal a Set.", getSet().equals(copyToList(getSet())));
  }

    if (object instanceof Entry) {
      Entry<?, ?> that = (Entry<?, ?>) object;
      return Objects.equals(this.getKey(), that.getKey())
          && Objects.equals(this.getValue(), that.getValue());
    }
    return false;
  }

  /**
   * A sensible definition of {@link #hashCode()} in terms of {@link #getKey()} and {@link
   * #getValue()}. If you override either of these methods, you may wish to override {@link

    if (object instanceof Entry) {
      Entry<?, ?> that = (Entry<?, ?>) object;
      return Objects.equals(this.getKey(), that.getKey())
          && Objects.equals(this.getValue(), that.getValue());
    }
    return false;
  }

  /**
   * A sensible definition of {@link #hashCode()} in terms of {@link #getKey()} and {@link
   * #getValue()}. If you override either of these methods, you may wish to override {@link

    public int compare(Entry<K, V> a, Entry<K, V> b) {
      return (keyComparator == null)
          ? ((Comparable) a.getKey()).compareTo(b.getKey())
          : keyComparator.compare(a.getKey(), b.getKey());
    }
  }

  public static <K extends @Nullable Object, V extends @Nullable Object>

        return ImmutableMap.<K, V>of(entry.getKey(), entry.getValue());
      default:
        Map<K, V> orderPreservingCopy = Maps.newLinkedHashMap();
        for (Entry<? extends K, ? extends V> e : map.entrySet()) {
          orderPreservingCopy.put(checkNotNull(e.getKey()), checkNotNull(e.getValue()));
        }
        return new RegularImmutableMap<K, V>(orderPreservingCopy);