private static String approximateSimpleName(Class<?> clazz, boolean dropOuterClassNames) {
    checkArgument(!clazz.isAnonymousClass(), "Attempted to get simple name of anonymous class");
    return approximateSimpleName(clazz.getName(), dropOuterClassNames);
  }
@Test
  public void testSimpleName() {
    assertEquals("Embedded", NameUtils.approximateSimpleName(new EmbeddedDoFn()));
  }