{
        Contributor target = new Contributor();
        target.setRoles( Arrays.asList( "first", "second", "third" ) );
        Contributor source = new Contributor();
        source.setRoles( Arrays.asList( "first", "second", "third" ) );

        modelMerger.mergeContributor_Roles( target, source, true, null );

        assertThat( target.getRoles(), contains( "first", "second", "third" ) );
    }

    @Test

    public void setResponseTime(Long value) {
        registerModifiedProperty("responseTime");
        this.responseTime = value;
    }

    public String[] getRoles() {
        checkSpecifiedProperty("roles");
        return roles;
    }

    public void setRoles(String[] value) {
        registerModifiedProperty("roles");
        this.roles = value;
    }

    public String getSearchWord() {

            result.setRequestedAt(toLocalDateTime(source.get("requestedAt")));
            result.setResponseTime(DfTypeUtil.toLong(source.get("responseTime")));
            result.setRoles(toStringArray(source.get("roles")));
            result.setSearchWord(DfTypeUtil.toString(source.get("searchWord")));
            result.setUser(DfTypeUtil.toString(source.get("user")));

            result.setPreferredLanguage(DfTypeUtil.toString(source.get("preferredLanguage")));
            result.setRegisteredAddress(DfTypeUtil.toString(source.get("registeredAddress")));
            result.setRoles(toStringArray(source.get("roles")));
            result.setRoomNumber(DfTypeUtil.toString(source.get("roomNumber")));
            result.setState(DfTypeUtil.toString(source.get("state")));

                "responseTime");
        setupEpg(_epgMap, et -> ((SearchLog) et).getRoles(), (et, vl) -> ((SearchLog) et).setRoles((String[]) vl), "roles");
        setupEpg(_epgMap, et -> ((SearchLog) et).getSearchWord(), (et, vl) -> ((SearchLog) et).setSearchWord(DfTypeUtil.toString(vl)),
                "searchWord");

        registerModifiedProperty("registeredAddress");
        this.registeredAddress = value;
    }

    public String[] getRoles() {
        checkSpecifiedProperty("roles");
        return roles;
    }

    public void setRoles(String[] value) {
        registerModifiedProperty("roles");
        this.roles = value;
    }

    public String getRoomNumber() {

        }
        mergedItem.languages = langList.toArray(new String[langList.size()]);

        final List<String> roleList = new ArrayList<>(item1.getRoles().length + item2.getRoles().length);
        Collections.addAll(roleList, item1.getRoles());
        for (final String role : item2.getRoles()) {
            if (!roleList.contains(role)) {
                roleList.add(role);
            }
        }

            if (userCode != null) {
                searchLog.setUserSessionId(userCode);
                searchLog.setUserInfo(getUserInfo(userCode));
            }
        }

        searchLog.setRoles(roleQueryHelper.build(params.getType()).stream().toArray(n -> new String[n]));
        searchLog.setQueryId(queryId);
        searchLog.setHitCount(queryResponseList.getAllRecordCount());

                "registeredAddress");
        setupEpg(_epgMap, et -> ((User) et).getRoles(), (et, vl) -> ((User) et).setRoles((String[]) vl), "roles");
        setupEpg(_epgMap, et -> ((User) et).getRoomNumber(), (et, vl) -> ((User) et).setRoomNumber(DfTypeUtil.toString(vl)), "roomNumber");

        processMemberOf(user, groupList, roleList, "https://graph.microsoft.com/v1.0/me/memberOf");
        user.setGroups(groupList.stream().distinct().toArray(n -> new String[n]));
        user.setRoles(roleList.stream().distinct().toArray(n -> new String[n]));
    }

    protected void processMemberOf(final AzureAdUser user, final List<String> groupList, final List<String> roleList, final String url) {