code: protected void prepareTransactionMemoriesIfExists() {
          final SavedTransactionMemories memories = ThreadCacheContext.findTransactionMemories();
          if (memories != null) {
              final List<TransactionMemoriesProvider> providerList = memories.getOrderedProviderList();
              final StringBuilder sb = new StringBuilder();
              for (TransactionMemoriesProvider provider : providerList) {
                  provider.provide().ifPresent(result -> sb.append("\n*").append(result));
              }
              final WholeShowAttribute attribute = new WholeShowAttribute(sb.toString().trim());
              requestManager.setAttribute(LastaWebKey.DBFLUTE_TRANSACTION_MEMORIES_KEY, attribute);
          }
      }
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