* Returns an immutable sorted multiset containing the given elements sorted by their natural
   * ordering.
   *
   * @throws NullPointerException if any element is null
   */
  public static <E extends Comparable<? super E>> ImmutableSortedMultiset<E> of(
      E e1, E e2, E e3, E e4) {
    return copyOf(Ordering.natural(), Arrays.asList(e1, e2, e3, e4));
  }

  /**

   * Returns an immutable sorted multiset containing the given elements sorted by their natural
   * ordering.
   *
   * @throws NullPointerException if any element is null
   */
  public static <E extends Comparable<? super E>> ImmutableSortedMultiset<E> of(
      E e1, E e2, E e3, E e4) {
    return copyOf(Ordering.natural(), Arrays.asList(e1, e2, e3, e4));
  }

  /**

      Comparator<? super E> comparator, Collection<? extends E> elements) {
    return copyOf(comparator, (Iterable<? extends E>) elements);
  }

  /**
   * Returns an immutable sorted set containing the elements of a sorted set, sorted by the same
   * {@code Comparator}. That behavior differs from {@link #copyOf(Iterable)}, which always uses the
   * natural ordering of the elements.
   *

      Comparator<? super E> comparator, Collection<? extends E> elements) {
    return copyOf(comparator, (Iterable<? extends E>) elements);
  }

  /**
   * Returns an immutable sorted set containing the elements of a sorted set, sorted by the same
   * {@code Comparator}. That behavior differs from {@link #copyOf(Iterable)}, which always uses the
   * natural ordering of the elements.
   *

          "woo.com.",
          "www",
          "x",
          ALMOST_TOO_LONG,
          ALMOST_TOO_MANY_LEVELS
          // keep-sorted end
          );

  private static final ImmutableSet<String> INVALID_NAME =
      ImmutableSet.of(
          // keep-sorted start
          " ",
          "",
          ".",
          "..",
          "...",
          "..bar.com",
          "..quiffle.com",

          "woo.com.",
          "www",
          "x",
          ALMOST_TOO_LONG,
          ALMOST_TOO_MANY_LEVELS
          // keep-sorted end
          );

  private static final ImmutableSet<String> INVALID_NAME =
      ImmutableSet.of(
          // keep-sorted start
          " ",
          "",
          ".",
          "..",
          "...",
          "..bar.com",
          "..quiffle.com",

        assertNotNull(result);
        // Check for sorted concatenated strings
        assertTrue("Result should contain sorted tags", result.contains("aaammmzzz"));
        assertTrue("Result should contain sorted roles", result.contains("role1role2role3"));
        assertTrue("Result should contain sorted fields", result.contains("field1field2field3"));
        assertTrue("Result should contain sorted excludes", result.contains("exclude1exclude2exclude3"));

  /**
   * Searches the specified list for the specified object using the binary search algorithm. The
   * list must be sorted into ascending order according to the specified comparator (as by the
   * {@link Collections#sort(List, Comparator) Collections.sort(List, Comparator)} method), prior to
   * making this call. If it is not sorted, the results are undefined.
   *

 * <h3>Definition and notes on interpolation</h3>
 *
 * <p>The definition of the kth q-quantile of N values is as follows: define x = k * (N - 1) / q; if
 * x is an integer, the result is the value which would appear at index x in the sorted dataset
 * (unless there are {@link Double#NaN NaN} values, see below); otherwise, the result is the average
 * of the values which would appear at the indexes floor(x) and ceil(x) weighted by (1-frac(x)) and

        ],
    )


def get_en_config() -> dict[str, Any]:
    return mkdocs.utils.yaml_load(en_config_path.read_text(encoding="utf-8"))


def get_lang_paths() -> list[Path]:
    return sorted(docs_path.iterdir())


def lang_callback(lang: str | None) -> str | None:
    if lang is None:
        return None
    lang = lang.lower()
    return lang