Table<String, Integer, Character> transpose = transpose(original);
    original.put(1, "foo", 'a');
    assertEquals((Character) 'a', transpose.get("foo", 1));
  }

  public void testPutTransposeModifiesOriginal() {
    Table<Integer, String, Character> original = HashBasedTable.create();
    Table<String, Integer, Character> transpose = transpose(original);
    transpose.put("foo", 1, 'a');