code: public Term term(DecoratedKey partitionKey, CellName clusteringKey) {
          return fullKeyMapper.term(partitionKey, clusteringKey);
      }
docs: Returns the Lucene {@link Term} to get the {@link Document}s containing the specified decorated partition key and
  clustering key.
  
  @param partitionKey  A decorated partition key.
  @param clusteringKey A clustering key.
  @return The Lucene {@link Term} to get the {@link Document}s containing the specified decorated partition key and
  clustering key.