import org.opensearch.search.SearchHit;
import org.opensearch.transport.client.Client;

/**
 * Utility class for suggest feature.
 */
public final class SuggestUtil {
    private static final int MAX_QUERY_TERM_NUM = 5;
    private static final int MAX_QUERY_TERM_LENGTH = 48;

    private static final Base64.Encoder encoder = Base64.getEncoder();

    private static final int ID_MAX_LENGTH = 445;

    /**

        assertEquals(1, singleKeyword.length);
        assertEquals("single", singleKeyword[0]);
    }

    @Test
    public void testParseQueryWithTooManyTerms() {
        // Test query with more than MAX_QUERY_TERM_NUM (5) terms
        String query = "one two three four five six seven";
        String field = "content";
        String[] keywords = SuggestUtil.parseQuery(query, field);
        assertNotNull(keywords);