### Question:
DefaultRemovalHandler implements IteratorRemoveHandler<E, N, T> { @Override public boolean isSupported() { return false; }  @Override boolean isSupported(); @Override void remove(T tree, N node); @Override Class<?> forClass();  }### Answer:
@Test public void testIsSupported() { final IteratorRemoveHandler<String, Node<String>, Tree<String, Node<String>>> handler = new DefaultRemovalHandler<>(); assertFalse(handler.isSupported()); }