}

    public void setEditable(boolean editable) {
        this.editable = editable;
    }

    public void setDefaultValue(String defaultValue) {
        this.defaultValue = defaultValue;
    }

    public String getDefaultValue() {
        return defaultValue;
    }

    @Override
    public String toString() {
        return "Mojo parameter [name: '" + getName() + "'; alias: '" + getAlias() + "']";

      implements Function<K, V>, Serializable {
    final Map<K, ? extends V> map;
    @ParametricNullness final V defaultValue;

    ForMapWithDefault(Map<K, ? extends V> map, @ParametricNullness V defaultValue) {
      this.map = checkNotNull(map);
      this.defaultValue = defaultValue;
    }

    @Override
    @ParametricNullness
    public V apply(@ParametricNullness K key) {

        FessConfig fessConfig = new FessConfig.SimpleImpl() {
            @Override
            public String getSystemProperty(final String key, final String defaultValue) {
                return systemPropMap.getOrDefault(key, defaultValue);
            }
        };
        ComponentUtil.setFessConfig(fessConfig);
        SystemHelper systemHelper = new SystemHelper() {
            @Override

          <type>String</type>
          <defaultValue>default</defaultValue>
          <description>The layout of the mirror repository.
            @since Maven 3.</description>
        </field>
        <field>
          <name>mirrorOfLayouts</name>
          <version>1.1.0+</version>
          <type>String</type>
          <defaultValue>default,legacy</defaultValue>
          <description>

    return edgeValueOrDefaultInternal(checkNotNull(nodeU), checkNotNull(nodeV), defaultValue);
  }

  @Override
  public @Nullable V edgeValueOrDefault(EndpointPair<N> endpoints, @Nullable V defaultValue) {
    validateEndpoints(endpoints);
    return edgeValueOrDefaultInternal(endpoints.nodeU(), endpoints.nodeV(), defaultValue);
  }

  @Override

     * Maven installation configuration directory.
     *
     * @since 4.0.0
     */
    @Config(defaultValue = "${maven.home}/conf")
    public static final String MAVEN_INSTALLATION_CONF = "maven.installation.conf";

    /**
     * Maven user configuration directory.
     *
     * @since 4.0.0
     */
    @Config(defaultValue = "${user.home}/.m2")
    public static final String MAVEN_USER_CONF = "maven.user.conf";

    /**

   * Returns the first element in {@code iterable} that satisfies the given predicate, or {@code
   * defaultValue} if none found. Note that this can usually be handled more naturally using {@code
   * tryFind(iterable, predicate).or(defaultValue)}.
   *
   * <p><b>{@code Stream} equivalent:</b> {@code
   * stream.filter(predicate).findFirst().orElse(defaultValue)}
   *
   * @since 7.0
   */
  // The signature we really want here is...
  //

     * {@link org.codelibs.core.lang.ObjectUtil#defaultValue(Object, Object)} .
     */
    @Test
    public void testDefaultValue() {
        final Hoge hoge = new Hoge();
        assertSame(ObjectUtil.defaultValue(null, hoge), hoge);
        assertSame(ObjectUtil.defaultValue(hoge, null), hoge);
        assertSame(ObjectUtil.defaultValue(hoge, hoge), hoge);
        assertSame(ObjectUtil.defaultValue(null, null), null);

        return getAs(key, defaultValue, s -> s);
    }

    /**
     * Retrieves a setting value as an int.
     * @param key The key of the setting.
     * @param defaultValue The default value if the setting is not found.
     * @return The setting value as an int.
     */
    public int getAsInt(final String key, final int defaultValue) {

     * @param func The function to apply to the virtual host key
     * @param defaultValue The default value to return if no virtual host matches
     * @return The result of applying the function, or the default value
     */
    protected <T> T processVirtualHost(final Function<String, T> func, final T defaultValue) {
        final Tuple3<String, String, String>[] vHosts = ComponentUtil.getFessConfig().getVirtualHosts();