docs: private List<Data> getKeyValueSequence(Map<?, ?> entries) {
          if (entries == null || entries.isEmpty()) {
              return Collections.emptyList();
          }
          List<Data> keyValueSequence = new ArrayList<>(entries.size() * 2);
          for (Map.Entry<?, ?> entry : entries.entrySet()) {
              Object key = entry.getKey();
              Object value = entry.getValue();
              Data dataKey = mapServiceContext.toData(key);
              Data dataValue = mapServiceContext.toData(value);
              keyValueSequence.add(dataKey);
              keyValueSequence.add(dataValue);
          }
          return keyValueSequence;
      }