JavaType collectionT = CollectionType.construct(List.class, tf.constructType(String.class));
assertNotNull(collectionT);
assertTrue(collectionT.isContainerType());
// NOPs:
assertSame(collectionT, collectionT.narrowContentsBy(String.class));
assertNotNull(collectionT.toString());
assertTrue(collectionT.equals(collectionT));
assertFalse(collectionT.equals(null));