};

  /**
   * Returns {@code n} choose {@code k}, also known as the binomial coefficient of {@code n} and
   * {@code k}, or {@link Long#MAX_VALUE} if the result does not fit in a {@code long}.
   *
   * @throws IllegalArgumentException if {@code n < 0}, {@code k < 0}, or {@code k > n}
   */
  public static long binomial(int n, int k) {
    checkNonNegative("n", n);

     *
     * @return {@code true} if the artifact is a snapshot, {@code false} otherwise
     * @see org.apache.maven.api.Session#isVersionSnapshot(String)
     */
    boolean isSnapshot();

    /**
     * {@return coordinates with the same identifiers as this artifact}.
     * This is a shortcut for {@code session.createArtifactCoordinates(artifact)}.
     *

    }

    /**
     * Returns <code>true</code> if the class loader <code>other</code> is an ancestor of the class loader <code>cl</code>.
     *
     * @param cl
     *            the class loader
     * @param other
     *            the class loader to check as ancestor
     * @return <code>true</code> if <code>other</code> is an ancestor of <code>cl</code>
     */

     * @return flattened list of node with the given build path scope
     * @throws org.apache.maven.api.services.DependencyResolverException if the dependency flattening failed
     *
     * @see org.apache.maven.api.services.DependencyResolver#flatten(Session, Node, PathScope)
     */
    @Nonnull
    List<Node> flattenDependencies(@Nonnull Node node, @Nonnull PathScope scope);

    /**

  /**
   * Returns {@code x}, rounded to a {@code double} with the specified rounding mode. If {@code x}
   * is precisely representable as a {@code double}, its {@code double} value will be returned;
   * otherwise, the rounding will choose between the two nearest representable values with {@code
   * mode}.
   *
   * <p>For the case of {@link RoundingMode#HALF_DOWN}, {@code HALF_UP}, and {@code HALF_EVEN},

          if (c != '\\'.code) {
            append(c.toChar())
            continue
          }
          when (buffer.readUtf8CodePoint()) {
            '\\'.code -> append('\\')
            '#'.code -> append('#')
            'n'.code -> append('\n')
            'r'.code -> append('\r')
            's'.code -> append(' ')
            't'.code -> append('\t')
            'f'.code -> append('\u000c')

     * </pre>
     *
     * @param str
     *            the string (can be <code>null</code>)
     * @param defaultStr
     *            the string to return if the argument is <code>null</code> (can be <code>null</code>)
     * @return the given string, or the specified default string if the argument is <code>null</code>
     */
    public static String defaultString(final String str, final String defaultStr) {

    /**
     * Creates a user-friendly artifact id from the specified coordinates.
     *
     * @param groupId The group id, may be {@code null}.
     * @param artifactId The artifact id, may be {@code null}.
     * @param version The version, may be {@code null}.
     * @return The user-friendly artifact id, never {@code null}.
     */
    static String toId(String groupId, String artifactId, String version) {

    /**
     * Builds the effective settings of the specified settings files.
     *
     * @param request the settings building request that holds the parameters, must not be {@code null}
     * @return the result of the settings building, never {@code null}
     * @throws SettingsBuilderException if the effective settings could not be built
     */
    @Nonnull
    SettingsBuilderResult build(@Nonnull SettingsBuilderRequest request);

        Encoding.PERCENT,
        '['.code,
        ']'.code,
        '{'.code,
        '}'.code,
        '|'.code,
        '^'.code,
        '\''.code,
        ';'.code,
        '='.code,
        '@'.code,
      ).override(
        Encoding.SKIP,
        ':'.code,
        '/'.code,
        '\\'.code,
        '?'.code,
        '#'.code,