final Term[] terms = phraseQuery.getTerms();
        if (terms.length == 0) {
            throw new InvalidQueryException(messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY),
                    "Unknown phrase query: " + phraseQuery);
        }
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String field = terms[0].field();

    protected String defaultField = Constants.DEFAULT_FIELD;

    /** The analyzer used to analyze query terms */
    protected Analyzer analyzer = new WhitespaceAnalyzer();

    /** Whether to allow leading wildcards in query terms */
    protected boolean allowLeadingWildcard = true;

    /** The default operator to use between query terms */
    protected Operator defaultOperator = Operator.AND;

    /** List of filters to apply to queries */

      any Contribution intentionally submitted for inclusion in the Work
      by You to the Licensor shall be under the terms and conditions of
      this License, without any additional terms or conditions.
      Notwithstanding the above, nothing herein shall supersede or modify
      the terms of any separate license agreement you may have executed
      with Licensor regarding such Contributions.

	<dd>
		AND operator is the default conjunction operator. You can omit it from
		a query. AND operator matches documents where both terms exist
		anywhere in the text of a single document.
		<pre>Fess AND CodeLibs</pre>
	</dd>
	</dd>
	<dt>OR</dt>
	<dd>
		OR operator matches documents where any terms exist anywhere in the
		text of a single document.
		<pre>Fess OR CodeLibs</pre>
	</dd>
	<dt>Wildcard</dt>
	<dd>

    /**
     * Gets the set of highlighted query terms.
     * @return The set of highlighted query terms, or empty set if not initialized.
     */
    public Set<String> getHighlightedQuerySet() {
        return highlightedQuerySet != null ? highlightedQuerySet : new HashSet<>();
    }

    /**
     * Gets the field log map containing field names and their associated query terms.

import org.lastaflute.web.validation.theme.conversion.ValidateTypeFailure;

import jakarta.validation.constraints.Size;

/**
 * Form class for creating protected words dictionary entries.
 * Protected words are terms that should not be modified or analyzed during
 * text processing, preserving their original form in search indexes.
 *
 */
public class CreateForm {

    /**
     * Creates a new CreateForm instance.
     */

import org.opensearch.search.aggregations.bucket.sampler.SamplerAggregationBuilder;
import org.opensearch.search.aggregations.bucket.terms.SignificantTermsAggregationBuilder;
import org.opensearch.search.aggregations.bucket.terms.TermsAggregationBuilder;
import org.opensearch.search.aggregations.metrics.AvgAggregationBuilder;
import org.opensearch.search.aggregations.metrics.CardinalityAggregationBuilder;

     * Gets the maximum size for alphanumeric terms from configuration.
     *
     * @return the maximum alphanumeric term size
     */
    protected int getMaxAlphanumTermSize() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return fessConfig.getCrawlerDocumentMaxAlphanumTermSizeAsInteger();
    }

    /**
     * Gets the maximum size for symbol terms from configuration.
     *

/**
 * Helper class for managing related query configurations.
 * This class provides functionality to load, cache, and retrieve related queries
 * based on search terms and virtual hosts. Related queries are used to suggest
 * alternative or supplementary search terms to improve search results.
 */
public class RelatedQueryHelper extends AbstractConfigHelper {
    private static final Logger logger = LogManager.getLogger(RelatedQueryHelper.class);

      any Contribution intentionally submitted for inclusion in the Work
      by You to the Licensor shall be under the terms and conditions of
      this License, without any additional terms or conditions.
      Notwithstanding the above, nothing herein shall supersede or modify
      the terms of any separate license agreement you may have executed
      with Licensor regarding such Contributions.