this.userBoost = userBoost;
    }

    /**
     * Sets the readings of the suggest item.
     * @param readings The readings to set.
     */
    public void setReadings(final String[][] readings) {
        this.readings = readings;
    }

    /**
     * Sets the fields of the suggest item.
     * @param fields The fields to set.
     */

        final long timestamp = Long.parseLong(source.get(FieldNames.TIMESTAMP).toString());

        final SuggestItem item = new SuggestItem();
        item.setText(text);
        item.setReadings(readings.toArray(new String[readings.size()][]));
        item.setFields(fields.toArray(new String[fields.size()]));
        item.setDocFreq(docFreq);
        item.setQueryFreq(queryFreq);

        assertEquals(35L, item.getDocFreq());
        assertEquals(2.0f, item.getUserBoost(), 0.001f);
        assertEquals(2, item.getReadings().length);
        assertArrayEquals(new String[] { "reading1", "reading2" }, item.getReadings()[0]);
        assertArrayEquals(new String[] { "reading3" }, item.getReadings()[1]);
        assertEquals(1, item.getFields().length);
        assertEquals("field1", item.getFields()[0]);

        assertEquals(word, elevateWord.getElevateWord());
        assertEquals("ニホンゴテスト", elevateWord.getReadings().get(0));

        SuggestItem suggestItem = elevateWord.toSuggestItem();
        assertEquals(word, suggestItem.getText());
        assertArrayEquals(new String[] { "ニホンゴテスト" }, suggestItem.getReadings()[0]);
    }

    @Test
    public void testWithEmptyWord() {
        // Test with empty word string

        };

        SuggestItem item = new SuggestItem(text, readings, null, 0L, 0L, 1.0f, null, null, null, SuggestItem.Kind.QUERY);

        assertEquals(3, item.getReadings()[0].length);
        assertEquals(1, item.getReadings()[1].length);
        assertEquals(2, item.getReadings()[2].length);
    }

    // ============================================================
    // Tests for frequency edge cases

                        // Simulate Japanese reading conversion
                        testToken.setReading(convertToJapaneseReading(testToken.getTerm()));
                    } else {
                        // Default: uppercase for reading
                        testToken.setReading(testToken.getTerm().toUpperCase());
                    }
                }
            }

            return tokens;

                    if (elevateWord == null) {
                        elevateWord = new ElevateWord();
                        elevateWord.setSuggestWord(suggestWord);
                        elevateWord.setReading(reading);
                        elevateWord.setPermissions(permissions);
                        elevateWord.setBoost(StringUtil.isBlank(boost) ? 1.0f : Float.parseFloat(boost));

            result.setCreatedTime(DfTypeUtil.toLong(source.get("createdTime")));
            result.setPermissions(toStringArray(source.get("permissions")));
            result.setReading(DfTypeUtil.toString(source.get("reading")));
            result.setSuggestWord(DfTypeUtil.toString(source.get("suggestWord")));
            result.setUpdatedBy(DfTypeUtil.toString(source.get("updatedBy")));

                "permissions");
        setupEpg(_epgMap, et -> ((ElevateWord) et).getReading(), (et, vl) -> ((ElevateWord) et).setReading(DfTypeUtil.toString(vl)),
                "reading");
        setupEpg(_epgMap, et -> ((ElevateWord) et).getSuggestWord(), (et, vl) -> ((ElevateWord) et).setSuggestWord(DfTypeUtil.toString(vl)),
                "suggestWord");

            List<ElevateWord> elevateWordList = new ArrayList<>();
            ElevateWord elevateWord = new ElevateWord();
            elevateWord.setSuggestWord("test");
            elevateWord.setReading("test");
            elevateWord.setLabelTypeIds(new String[] { "label1" });
            elevateWord.setPermissions(new String[] { "role1" });
            elevateWord.setBoost(1.0f);