for(final Map.Entry<String, List<RuleMatcherEntry>> entry : ruleAndRulesNotCombinable.entrySet()){
                ruleAndRulesNotCombinableKeys[offset ++] = entry.getKey();
                this.ruleAndRulesNotCombinable.put(entry.getKey(), entry.getValue().toArray(new RuleMatcherEntry[0]));
            }