return !"toast".equals(string) && !"spam".equals(string);
        }
      };

  static final Predicate<Entry<String, String>> FILTER_ENTRIES =
      new Predicate<Entry<String, String>>() {
        @Override
        public boolean apply(Entry<String, String> entry) {
          return !Helpers.mapEntry("banana", "toast").equals(entry)
              && !Helpers.mapEntry("eggplant", "spam").equals(entry);
        }
      };

          return !"toast".equals(string) && !"spam".equals(string);
        }
      };

  static final Predicate<Entry<String, String>> FILTER_ENTRIES =
      new Predicate<Entry<String, String>>() {
        @Override
        public boolean apply(Entry<String, String> entry) {
          return !Helpers.mapEntry("banana", "toast").equals(entry)
              && !Helpers.mapEntry("eggplant", "spam").equals(entry);
        }
      };

    assertEquals(Range.atLeast(4), range.span(Range.atLeast(6)));

    // adjacent above
    assertEquals(Range.closed(4, 10), range.span(Range.openClosed(8, 10)));
    assertEquals(Range.atLeast(4), range.span(Range.greaterThan(8)));

    // separate above
    assertEquals(Range.closed(4, 12), range.span(Range.closed(10, 12)));
    assertEquals(Range.atLeast(4), range.span(Range.atLeast(10)));
  }

    }

    @Override
    public void artifactDescriptorInvalid(RepositoryEvent event) {
        // The exception stack trace is not really interesting here
        // but the message itself may be quite details and span multiple
        // lines with errors in it, so only display it at debug level.
        String msg = "The POM for {} is invalid, transitive dependencies (if any) will not be available: {}";
        if (logger.isDebugEnabled()) {

            assertEquals(expected, subRangeSet);
            assertEquals(expected.asRanges(), subRangeSet.asRanges());
            if (!expected.isEmpty()) {
              assertEquals(expected.span(), subRangeSet.span());
            }
            for (int i = -3; i <= 3; i++) {
              assertEquals(expected.contains(i), subRangeSet.contains(i));
            }
          }
        }
      }
    }
  }

  /**
   * Returns the minimal range {@linkplain Range#encloses(Range) enclosing} the ranges in this
   * {@code RangeMap}.
   *
   * @throws NoSuchElementException if this range map is empty
   */
  Range<K> span();

  /**
   * Maps a range to a specified value (optional operation).
   *
   * <p>Specifically, after a call to {@code put(range, value)}, if {@link

  public void testIndexOf_withDuplicates() {
    List<String> list = Lists.newArrayList("mary", "bob", "bob", "bob", "sam");
    assertEquals(0, Iterables.indexOf(list, Predicates.equalTo("mary")));
    assertEquals(1, Iterables.indexOf(list, Predicates.equalTo("bob")));
    assertEquals(4, Iterables.indexOf(list, Predicates.equalTo("sam")));
    assertEquals(-1, Iterables.indexOf(list, Predicates.equalTo("jack")));
  }

    assertEquals(Range.atLeast(4), range.span(Range.atLeast(6)));

    // adjacent above
    assertEquals(Range.closed(4, 10), range.span(Range.openClosed(8, 10)));
    assertEquals(Range.atLeast(4), range.span(Range.greaterThan(8)));

    // separate above
    assertEquals(Range.closed(4, 12), range.span(Range.closed(10, 12)));
    assertEquals(Range.atLeast(4), range.span(Range.atLeast(10)));
  }

    /** The key of the configuration. e.g. false */
    String QUERY_HIGHLIGHT_FORCE_SOURCE = "query.highlight.force.source";

    /** The key of the configuration. e.g. span */
    String QUERY_HIGHLIGHT_FRAGMENTER = "query.highlight.fragmenter";

    /** The key of the configuration. e.g. -1 */
    String QUERY_HIGHLIGHT_FRAGMENT_OFFSET = "query.highlight.fragment.offset";

          }
        } else {
          if (range2.isEmpty()) {
            expected = range1;
          } else {
            expected = range1.span(range2);
          }
        }

        try {
          assertEquals(expected, rangeMap.span());
          assertNotNull(expected);
        } catch (NoSuchElementException e) {
          assertNull(expected);
        }
      }
    }
  }