gistfile1.txt

public interface HColumnFamily<K, N> {

  HColumnFamily<K, N> addKey(K key);
  
  HColumnFamily<K, N> addKeys(Iterable<K> keys);
  
  HColumnFamily<K, N> addColumn(HColumn<N, ?> column);
  
  HColumnFamily<K, N> addColumns(List<HColumn<N, ?>> columns);
  
  QueryResult<?> executeQuery();
  
  MutationResult executeMutation();
  
}