docs: private List<Data> selectThisPartitionsKeys() {
          final IPartitionService partitionService = mapServiceContext.getNodeEngine().getPartitionService();
          final int partitionId = getPartitionId();
          List<Data> dataKeys = null;
          for (Data key : keys) {
              if (partitionId == partitionService.getPartitionId(key)) {
                  if (dataKeys == null) {
                      dataKeys = new ArrayList<>(keys.size());
                  }
                  dataKeys.add(key);
              }
          }
          if (dataKeys == null) {
              return Collections.emptyList();
          }
          return dataKeys;
      }