/**
 * Simple derived class to verify that we handle generics correctly.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
public class DerivedComparable extends BaseComparable {
  public DerivedComparable(String s) {
    super(s);
  }

  private static final long serialVersionUID = 0;

/**
 * Simple derived class to verify that we handle generics correctly.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
public class DerivedComparable extends BaseComparable {
  public DerivedComparable(String s) {
    super(s);
  }

  private static final long serialVersionUID = 0;

  public void testTreeMultimapDerived() {
    TreeMultimap<DerivedComparable, DerivedComparable> multimap = TreeMultimap.create();
    assertEquals(ImmutableMultimap.of(), multimap);
    multimap.put(new DerivedComparable("foo"), new DerivedComparable("f"));
    multimap.put(new DerivedComparable("foo"), new DerivedComparable("o"));
    multimap.put(new DerivedComparable("foo"), new DerivedComparable("o"));