code: public <K> Map<K, String> getMulti(Serializer<K> keySerializer, K... keys) {
      MultigetSliceQuery<K, String,String> q = createMultigetSliceQuery(keyspace, keySerializer, serializer, serializer);
      q.setColumnFamily(CF_NAME);
      q.setKeys(keys);
      q.setColumnNames(COLUMN_NAME);
  
      QueryResult<Rows<K, String,String>> r = q.execute();
      Rows<K, String,String> rows = r.get();
      Map<K, String> ret = new HashMap<K, String>(keys.length);
      for (K k: keys) {
        HColumn<String,String> c = rows.getByKey(k).getColumnSlice().getColumnByName(COLUMN_NAME);
        if (c != null && c.getValue() != null) {
          ret.put(k, c.getValue());
        }
      }
      return ret;
    }
docs: Get multiple values
  @param keys
  @return