code: public void setUnprocessedKeys(java.util.Collection<PartitionValueList> unprocessedKeys) {
          if (unprocessedKeys == null) {
              this.unprocessedKeys = null;
              return;
          }
  
          this.unprocessedKeys = new java.util.ArrayList<PartitionValueList>(unprocessedKeys);
      }
docs: <p>
  A list of the partition values in the request for which partions were not returned.
  </p>
  
  @param unprocessedKeys
  A list of the partition values in the request for which partions were not returned.