return Character.toString(symbol.getGroupingSeparator());
    }

    /**
     * 数値のセパレータを返します。
     *
     * @param locale
     *            ロケール
     * @return 数値のセパレータ
     */
    public static String findDecimalSeparator(final Locale locale) {
        final DecimalFormatSymbols symbol = getDecimalFormatSymbols(locale);
        return Character.toString(symbol.getDecimalSeparator());
    }

        fun collectPackages(files: Iterable<Path>): Trie {
            val builder = Trie.Builder()
            for (file in files) {
                if (Files.exists(file)) {
                    if (file.fileName.toString().endsWith(".jar")) {
                        processJarFile(file, builder)
                    } else {
                        processDirectory(file, builder)
                    }
                }
            }

        final Document doc = DocumentBuilderUtil.parse(builder, ResourceUtil.getResourceAsStream("org/codelibs/core/xml/test1.xml"));
        final Element root = doc.getDocumentElement();
        final String contents = DomUtil.toString(root);
        System.out.println(contents);
    }

    void testEqualsIdentity() {
        Dependency thing = new Dependency();
        assertTrue(thing.equals(thing));
    }

    @Test
    void testToStringNullSafe() {
        assertNotNull(new Dependency().toString());
    }

        DistributionManagement thing = new DistributionManagement();
        assertTrue(thing.equals(thing));
    }

    @Test
    void testToStringNullSafe() {
        assertNotNull(new DistributionManagement().toString());
    }

    void testEqualsIdentity() {
        Exclusion thing = new Exclusion();
        assertTrue(thing.equals(thing));
    }

    @Test
    void testToStringNullSafe() {
        assertNotNull(new Exclusion().toString());
    }

    @Test
    void testEqualsIdentity() {
        Plugin thing = new Plugin();
        assertTrue(thing.equals(thing));
    }

    @Test
    void testToStringNullSafe() {
        assertNotNull(new Plugin().toString());
    }

    @Test
    void testEqualsIdentity() {
        Profile thing = new Profile();
        assertTrue(thing.equals(thing));
    }

    @Test
    void testToStringNullSafe() {
        assertNotNull(new Profile().toString());
    }

        RepositoryPolicy thing = new RepositoryPolicy();
        assertTrue(thing.equals(thing));
    }

    @Test
    void testToStringNullSafe() {
        assertNotNull(new RepositoryPolicy().toString());
    }

    @Test
    void testEqualsIdentity() {
        Resource thing = new Resource();
        assertTrue(thing.equals(thing));
    }

    @Test
    void testToStringNullSafe() {
        assertNotNull(new Resource().toString());
    }