if (rule != null) {
                rules.add(index, rule);
            }
        }

        @Override
        public boolean removeRule(Rule rule) {
            return rules.remove(rule);
        }

        @Override
        public boolean hasRule(Rule rule) {
            return rules.contains(rule);
        }

        public List<Rule> getRules() {

     * @param queryLogReader The query log reader.
     * @param docPerReq The number of documents to process per request.
     * @param requestInterval The interval between requests.
     * @return A Promise that will be resolved with the SuggestIndexResponse or rejected with an error.
     */
    public Deferred<SuggestIndexResponse>.Promise indexFromQueryLog(final QueryLogReader queryLogReader, final int docPerReq,

				"application/prs.cww",
				"application/prs.nprend",
				"application/prs.plucker",
				"application/qsig",
				"application/reginfo+xml",
				"application/relax-ng-compact-syntax",
				"application/remote-printing",
				"application/resource-lists+xml",
				"application/resource-lists-diff+xml",
				"application/riscos",
				"application/rlmi+xml",
				"application/rls-services+xml",
				"application/rsd+xml",

            if (isHtml(responseData) && !responseData.isNoFollow()) {
                // urls
                storeChildUrls(responseData, resultData);
            }
        } finally {
            xpathAPI.remove();
        }

        final Object redirectUrlObj = responseData.getMetaDataMap().get(LOCATION_HEADER);
        if (redirectUrlObj instanceof String) {

    <glob pattern="*.rif"/>
  </mime-type>
  <mime-type type="application/relax-ng-compact-syntax">
    <sub-class-of type="text/plain"/>
    <glob pattern="*.rnc"/>
  </mime-type>
  <mime-type type="application/remote-printing"/>
  <mime-type type="application/resource-lists+xml">
    <glob pattern="*.rl"/>
  </mime-type>
  <mime-type type="application/resource-lists-diff+xml">
    <glob pattern="*.rld"/>
  </mime-type>