return createdAt;
    }

    public void setCreatedAt(LocalDateTime value) {
        registerModifiedProperty("createdAt");
        this.createdAt = value;
    }

    public String getDocId() {
        checkSpecifiedProperty("docId");
        return convertEmptyToNull(docId);
    }

    public void setDocId(String value) {
        registerModifiedProperty("docId");
        this.docId = value;

        return convertEmptyToNull(urlId);
    }

    public void setUrlId(String value) {
        registerModifiedProperty("urlId");
        this.urlId = value;
    }

    public String getDocId() {
        checkSpecifiedProperty("docId");
        return convertEmptyToNull(docId);
    }

    public void setDocId(String value) {
        registerModifiedProperty("docId");
        this.docId = value;

    {
        setupEpg(_epgMap, et -> ((FavoriteLog) et).getCreatedAt(),
                (et, vl) -> ((FavoriteLog) et).setCreatedAt(DfTypeUtil.toLocalDateTime(vl)), "createdAt");
        setupEpg(_epgMap, et -> ((FavoriteLog) et).getDocId(), (et, vl) -> ((FavoriteLog) et).setDocId(DfTypeUtil.toString(vl)), "docId");
        setupEpg(_epgMap, et -> ((FavoriteLog) et).getQueryId(), (et, vl) -> ((FavoriteLog) et).setQueryId(DfTypeUtil.toString(vl)),

        final ChatSource source = new ChatSource();
        assertEquals(0, source.getIndex());
        assertNull(source.getTitle());
        assertNull(source.getUrl());
        assertNull(source.getDocId());
        assertNull(source.getSnippet());
    }

    @Test
    public void test_chatSourceFromMap() {
        final Map<String, Object> doc = new HashMap<>();
        doc.put("title", "Test Title");