* @param request The HTTP servlet request
         * @param query The search query string
         * @param tags Array of tags to filter suggestions
         * @param fields Array of fields to search in for suggestions
         * @param num The maximum number of suggestions to return
         */
        protected RequestParameter(final HttpServletRequest request, final String query, final String[] tags, final String[] fields,

suggest.popular.word.window.size=30
# Query frequency for popular word suggestion.
suggest.popular.word.query.freq=10
# Minimum hit count for suggestion.
suggest.min.hit.count=1
# Field for suggestion contents.
suggest.field.contents=_default
# Field for suggestion tags.
suggest.field.tags=label
# Field for suggestion roles.
suggest.field.roles=role
# Index contents for suggestion.