long blah = 0;
    for (int i = 0; i < reps; i++) {
      Integer key = keys.get(random.nextInt(nKeys));
      // This range is [-5, 4] - slight negative bias so we often hit zero, which brings the
      // auto-removal of zeroes into play.
      int delta = random.nextInt(10) - 5;
      blah += delta;
      if (delta >= 0) {
        multiset.add(key, delta);
      } else {
        multiset.remove(key, -delta);
      }

     */
    private static final String MODULE_INFO = "module-info.class";

    /**
     * The attribute for automatic module name in {@code META-INF/MANIFEST.MF} files.
     */
    private static final Attributes.Name AUTO_MODULE_NAME = new Attributes.Name("Automatic-Module-Name");

    /**
     * Module information for the path specified at construction time.
     * This map is usually either empty if no module was found, or a singleton map.

    }

    protected MatchQueryBuilder regFuzzyQ(String name, Object value) {
        checkEsInvalidQuery(name, value);
        MatchQueryBuilder fuzzyQuery = QueryBuilders.matchQuery(name, value).fuzziness(Fuzziness.AUTO);
        regQ(fuzzyQuery);
        return fuzzyQuery;
    }

    protected PrefixQueryBuilder regPrefixQ(String name, String prefix) {
        checkEsInvalidQuery(name, prefix);

   * {@link #ignoreClasses} to exclude generated classes, such as the {@code AutoValue_Foo} classes
   * generated by <a href="https://github.com/google/auto/tree/master/value">AutoValue</a>.
   *
   * @since 19.0
   */
  public static final Predicate<Class<?>> UNDERSCORE_IN_NAME =
      (Class<?> c) -> c.getSimpleName().contains("_");

     */
    @Deprecated
    private static final String MAVEN_RESOLVER_TRANSPORT_NATIVE = "native";

    private static final String MAVEN_RESOLVER_TRANSPORT_AUTO = "auto";

    private static final String WAGON_TRANSPORTER_PRIORITY_KEY = "aether.priority.WagonTransporterFactory";

                IllegalArgumentException.class, () -> systemSessionFactory.newRepositorySession(request));
        assertEquals(
                "Unknown resolver transport 'illegal'. Supported transports are: wagon, apache, jdk, auto",
                exception.getMessage());
        properties.remove("maven.resolver.transport");
    }

    @Test
    void versionFilteringTest() throws InvalidRepositoryException {

            Map<String, Object> attributes = new HashMap<>();
            attributes.put("icons", "font");
            attributes.put("source-highlighter", "prettify");
            attributes.put("toc", "auto");
            attributes.put("toclevels", 1);
            attributes.put("toc-title", "Contents");
            attributes.put("groovyDslPath", "../dsl");
            attributes.put("javadocPath", "../javadoc");

   * {@link #ignoreClasses} to exclude generated classes, such as the {@code AutoValue_Foo} classes
   * generated by <a href="https://github.com/google/auto/tree/master/value">AutoValue</a>.
   *
   * @since 19.0
   */
  public static final Predicate<Class<?>> UNDERSCORE_IN_NAME =
      (Class<?> c) -> c.getSimpleName().contains("_");

   * @throws IllegalArgumentException if {@code min > max}
   * @since 21.0
   */
  public static double constrainToRange(double value, double min, double max) {
    // avoid auto-boxing by not using Preconditions.checkArgument(); see Guava issue 3984
    // Reject NaN by testing for the good case (min <= max) instead of the bad (min > max).
    if (min <= max) {