.maxExpansions(fessConfig.getQueryPrefixExpansionsAsInteger())
                            .slop(fessConfig.getQueryPrefixSlopAsInteger()));
        }

        if (!isSearchField(field)) {
            final String query = prefixQuery.getPrefix().toString();
            final String origQuery = toLowercaseWildcard(query);
            context.addFieldLog(Constants.DEFAULT_FIELD, query + "*");

                            .transpositions(Constants.TRUE.equalsIgnoreCase(fessConfig.getQueryFuzzyTranspositions())));
        }

        if (isSearchField(field)) {
            final String text = term.text();
            context.addFieldLog(field, text);
            context.addHighlightedQuery(text);
            return QueryBuilders.fuzzyQuery(field, text)

    /**
     * Checks if the specified field is a search field.
     * @param field The field name to check.
     * @return True if the field is a search field, false otherwise.
     */
    protected boolean isSearchField(final String field) {
        for (final String searchField : getQueryFieldConfig().searchFields) {
            if (searchField.equals(field)) {
                return true;
            }
        }