// Test constructor with zero boost
        String word = "zero boost";
        float boost = 0.0f;
        List<String> readings = Arrays.asList("reading1");
        List<String> fields = Arrays.asList("field1");
        List<String> tags = Arrays.asList("tag1");
        List<String> roles = Arrays.asList("role1");

        elevateWord = new ElevateWord(word, boost, readings, fields, tags, roles);

        assertEquals(emptySource, result);
    }

    @Test
    public void testUserBoostMinimum() {
        // Test that user boost is at least 1
        String[] text = { "test" };
        String[][] readings = { { "test" } };

        // Test with boost less than 1
        SuggestItem item = new SuggestItem(text, readings, null, 0L, 0L, 0.5f, null, null, null, SuggestItem.Kind.QUERY);

- **Asynchronous Operations**: Non-blocking suggestion requests with callback support
- **Index Management**: Automatic index creation, switching, and maintenance
- **Customizable Scoring**: User boost, document frequency, and query frequency weighting

## Technology Stack

- **Java**: 21+ (configured via parent POM)
- **OpenSearch**: Latest (provided scope)
- **Apache Lucene**: Query parsing and text analysis

     * @return The document frequency.
     */
    public long getDocFreq() {
        return docFreq;
    }

    /**
     * Returns the user boost of the suggest item.
     * @return The user boost.
     */
    public float getUserBoost() {
        return userBoost;
    }

    /**
     * Returns the timestamp of the suggest item.
     * @return The timestamp.
     */