// 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);

/**
 * Represents an elevate word entity with associated properties such as boost, readings, fields, tags, and roles.
 */
public class ElevateWord {

    /**
     * The elevate word.
     */
    protected final String elevateWord;

    /**
     * The boost value associated with the elevate word.
     */
    protected final float boost;

    /**
     * The list of readings associated with the elevate word.

    /** Key for elevate word settings. */
    public static final String ELEVATE_WORD_SETTINGD_KEY = "elevateword";
    /** Key for elevate word boost. */
    public static final String ELEVATE_WORD_BOOST = "boost";
    /** Key for elevate word reading. */
    public static final String ELEVATE_WORD_READING = "reading";
    /** Key for elevate word fields. */

     -->
    <root-XML localName="html"/>
    <root-XML localName="HTML"/>
    <root-XML localName="link"/>
    <root-XML localName="LINK"/>
    <root-XML localName="body"/>
    <root-XML localName="BODY"/>
    <root-XML localName="p"/>
    <root-XML localName="P"/>
    <root-XML localName="script"/>
    <root-XML localName="SCRIPT"/>
    <root-XML localName="frameset"/>

 * <li>{@link #SCORE} - The score field.</li>
 * <li>{@link #QUERY_FREQ} - The query frequency field.</li>
 * <li>{@link #DOC_FREQ} - The document frequency field.</li>
 * <li>{@link #USER_BOOST} - The user boost field.</li>
 * <li>{@link #KINDS} - The kinds field.</li>
 * <li>{@link #TIMESTAMP} - The timestamp field.</li>
 * <li>{@link #TAGS} - The tags field.</li>
 * <li>{@link #ROLES} - The roles field.</li>

        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);

        ignoreCase = settings.getAsBoolean("ignore_case", Boolean.FALSE).booleanValue();
        if (ignoreCase) {
            for (int i = 0; i < stopwords.length; i++) {
                stopwords[i] = stopwords[i].toLowerCase(Locale.ROOT);
            }
        }
    }

    @Override
    public TokenStream create(final TokenStream tokenStream) {
        return new StopTokenPrefixFilter(tokenStream, stopwords, ignoreCase);
    }

        Exception cause = new IllegalArgumentException("Root cause");
        CrawlerSystemException exception = new CrawlerSystemException(cause);

        assertNotNull(exception);
        assertSame(cause, exception.getCause());
        // When constructed with cause only, message should be cause's toString()
        assertEquals("java.lang.IllegalArgumentException: Root cause", exception.getMessage());
    }

    /**

        ignoreCase = settings.getAsBoolean("ignore_case", Boolean.FALSE).booleanValue();
        if (ignoreCase) {
            for (int i = 0; i < stopwords.length; i++) {
                stopwords[i] = stopwords[i].toLowerCase(Locale.ROOT);
            }
        }
    }

    @Override
    public TokenStream create(final TokenStream tokenStream) {
        return new StopTokenSuffixFilter(tokenStream, stopwords, ignoreCase);
    }

- **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