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

		builder.hostsFileEntriesResolver((inetHost, resolvedAddressTypes) -> null);
		assertThat(builder.build().hostsFileEntriesResolver()).isNotNull();
	}