,"isDurationValid","_milliseconds","_days","_months","_data","_bubble","isDuration","absRound","round","offset","separator","utcOffset","sign","offsetFromString","chunkOffset","matcher","parts","matches","cloneWithOffset","model","diff","clone","setTime","local","getDateOffset","getTimezoneOffset","isUtc","aspNetRegex","isoRegex","createDuration","ret","diffRes","parseIso","base","isBefore","positiveMomentsDifference","momentsDifference","inp","isAfter","createAdder","direction","period","tmp","...

         */
        protected CollapseBuilder getCollapseBuilder(final FessConfig fessConfig) {
            final InnerHitBuilder innerHitBuilder = new InnerHitBuilder().setName(fessConfig.getQueryCollapseInnerHitsName())
                    .setSize(fessConfig.getQueryCollapseInnerHitsSizeAsInteger());
            fessConfig.getQueryCollapseInnerHitsSortBuilders()