code: public void registerRecentResult(String tableName, String command, Long beginMillis, Long endMillis, Class<?> resultType,
              Object resultValue, BehaviorCommandMeta meta) {
          synchronized (this) { // toRomanticString() of exception thread looks the resources
              doRegisterRecentResult(tableName, command, beginMillis, endMillis, resultType, resultValue, meta);
          }
      }
docs: =============