@Nullable
	public ResolvedAddressTypes resolvedAddressTypes() {
		return resolvedAddressTypes;
	}
@Test
	void resolvedAddressTypes() {
		assertThat(builder.build().resolvedAddressTypes()).isNull();

		builder.resolvedAddressTypes(ResolvedAddressTypes.IPV4_ONLY);
		assertThat(builder.build().resolvedAddressTypes()).isEqualTo(ResolvedAddressTypes.IPV4_ONLY);
	}