* and the time taken to complete the operation.
 */
public class SuggestDeleteResponse {
    /** List of errors that occurred during the operation. */
    protected final List<Throwable> errors = new ArrayList<>();
    /** Time taken for the operation in milliseconds. */
    protected final long took;

    /**
     * Constructor for SuggestDeleteResponse.
     * @param errors A list of Throwables representing errors.

     */
    public SuggestDeleteResponse deleteAll() {
        final SuggestDeleteResponse response = deleteByQuery(QueryBuilders.matchAllQuery());
        restoreElevateWord();
        return response;
    }

    /**
     * Deletes document words.
     * @return The SuggestDeleteResponse.
     */
    public SuggestDeleteResponse deleteDocumentWords() {
        final long start = System.currentTimeMillis();

import org.codelibs.fess.suggest.constants.FieldNames;
import org.codelibs.fess.suggest.entity.SuggestItem;
import org.codelibs.fess.suggest.exception.SuggestSettingsException;
import org.codelibs.fess.suggest.index.SuggestDeleteResponse;
import org.codelibs.fess.suggest.index.contents.document.ESSourceReader;
import org.codelibs.fess.suggest.settings.SuggestSettings;
import org.codelibs.fess.suggest.settings.SuggestSettingsBuilder;