code: public static <N, V> HColumn<N, V> createColumn(N name, V value, long clock,
        Serializer<N> nameSerializer, Serializer<V> valueSerializer) {
      return new HColumnImpl<N, V>(name, value, clock, nameSerializer,
          valueSerializer);
    }
docs: Creates a column with a user-specified clock. You probably want to pass in
  {@link me.prettyprint.hector.api.Keyspace#createClock()} for the value.