// Return roles with duplicates
                String[] roles = new String[] { "role1", "role2", "role1", "Uuser", "role2" };
                callback.accept(roles);
                return roles;
            }

            @Override
            public String normalizePermissionName(String name) {

        readings[1] = new String[] { "enjin", "fuga" };
        String[] tags = new String[] { "tag1", "tag2" };
        String[] roles = new String[] { SuggestConstants.DEFAULT_ROLE, "role1", "role2", "role3" };
        queryItems[0] = new SuggestItem(new String[] { "検索", "エンジン" }, readings, new String[] { "content" }, 1, 0, -1, tags, roles, null,
                SuggestItem.Kind.DOCUMENT);

        String[][] readings2 = new String[2][];

        String[] roles1 = secured.value();
        String[] roles2 = secured.value();

        // Different array instances should be returned
        assertNotSame(roles1, roles2);

        // But values should be the same
        assertEquals(roles1.length, roles2.length);
        for (int i = 0; i < roles1.length; i++) {
            assertEquals(roles1[i], roles2[i]);
        }
    }

        List<String> fields = Arrays.asList("field1", "field2", "field3");
        List<String> tags = Arrays.asList("tag1", "tag2");
        List<String> roles = Arrays.asList("role1", "role2", "role3");

        elevateWord = new ElevateWord(word, boost, readings, fields, tags, roles);
        SuggestItem suggestItem = elevateWord.toSuggestItem();

        assertNotNull(suggestItem);
        assertEquals(word, suggestItem.getText());

                final String[] roles = values[1].split(roleSeparator);
                for (final String role : roles) {
                    if (StringUtil.isNotEmpty(role)) {
                        roleSet.add(role);
                    }
                }
            }
        } else {
            final String[] roles = rolesStr.split(roleSeparator);
            for (final String role : roles) {

        String[] fields = { "field1", "field2" };
        String[] tags = { "tag1", "tag2" };
        String[] roles = { "role1", "role2" };
        String[] languages = { "en", "ja" };
        SuggestItem.Kind kind = SuggestItem.Kind.QUERY;

        SuggestItem item = new SuggestItem(text, readings, fields, 100L, 50L, 1.5f, tags, roles, languages, kind);

        assertNotNull(item);

        SuggestItem item2 = createItemWithRoles("text", "role2", "role3");

        SuggestItem merged = SuggestItemMerger.merge(item1, item2);

        String[] roles = merged.getRoles();
        Set<String> roleSet = new HashSet<>(Arrays.asList(roles));

        assertEquals(3, roleSet.size());
        assertTrue(roleSet.contains("role1"));

        // Test with multiple roles
        String[] roles = { "admin", "user", "manager" };
        FessUser user = new TestFessUser("testuser", roles, new String[] {}, new String[] {});
        assertArrayEquals(roles, user.getRoleNames());

        // Test with single role
        roles = new String[] { "user" };
        user = new TestFessUser("testuser", roles, new String[] {}, new String[] {});

{"index":{"_index":"fess_user.role","_id":"YWRtaW4="}}
{"name":"admin"}
{"index":{"_index":"fess_user.role","_id":"Z3Vlc3Q="}}

        String[] roles1 = { "role1" };
        SuggestItem item1 = new SuggestItem(text1, readings1, null, 10L, 20L, 1.0f, tags1, roles1, null, SuggestItem.Kind.QUERY);

        String[] text2 = { "test" };
        String[][] readings2 = { { "test" } };
        String[] tags2 = { "tag2", "tag3" }; // tag2 overlaps
        String[] roles2 = { "role1", "role2" }; // role1 overlaps