public void prepare(RankProperties rankProperties) {
        if (stopwordLimit != null) {
            rankProperties.put("vespa.matching.weakand.stop_word_drop_limit", String.valueOf(stopwordLimit));
        }
        if (adjustTarget != null) {
            rankProperties.put("vespa.matching.weakand.stop_word_adjust_limit", String.valueOf(adjustTarget));
        }
        if (allowDropAll != null) {
            rankProperties.put("vespa.matching.weakand.allow_drop_all", String.valueOf(allowDropAll));
        }
    }
Internal operation - DO NOT USE DIRECTLY
container-search/src/main/java/com/yahoo/search/query/ranking/WeakAnd.java