@PublicAPI(usage = ACCESS)
    public static PackageMatchers of(String... packageIdentifiers) {
        return of(ImmutableSet.copyOf(packageIdentifiers));
    }
@Test
    public void description() {
        assertThat(PackageMatchers.of("..foo..", "..bar.."))
                .hasDescription("matches any of ['..foo..', '..bar..']");
    }