assertNull(converter.reverse().convert(null));

    assertEquals((Integer) 5, converter.convert("5"));
    assertEquals("5", converter.reverse().convert(5));
  }

  // Null-passthrough violates our nullness annotations, so we don't support it under J2KT.
  @J2ktIncompatible
  public void testNullIsPassedThrough() {
    Converter<String, String> nullsArePassed = sillyConverter(false);

			if includeConfigType {
				route.Name = fmt.Sprintf("route/%s", route.Name)
			}
			if filter.Verbose {
				for _, vhosts := range route.GetVirtualHosts() {
					for _, r := range vhosts.Routes {
						if !isPassthrough(r.GetAction()) {
							fmt.Fprintf(w, "%v\t%s\t%s\t%s\t%s\n",
								route.Name,
								vhosts.Name,
								describeRouteDomains(vhosts.GetDomains()),
								describeMatch(r.GetMatch()),