docs: void readTxCache(TransactionCache transactionCache) {
          //Check if the schema has been changed and should be flushed into this cache
          if (!cachedLabels.equals(transactionCache.getLabelCache())) {
              try {
                  lock.writeLock().lock();
                  cachedLabels.clear();
                  cachedLabels.putAll(transactionCache.getLabelCache());
              } finally {
                  lock.writeLock().unlock();
              }
          }
      }