public static String prettyVersion(long version) {
        if (version == VERSION_NONE) {
            return PRETTY_VERSION_NONE;
        } else if (version == VERSION_LATEST) {
            return PRETTY_VERSION_LATEST;
        } else {
            return String.valueOf(version);
        }
    }
@Test
    public void testPrettyPrint() {
        Assert.assertEquals(Versions.PRETTY_VERSION_NONE, Versions.prettyVersion(VERSION_NONE));
        Assert.assertEquals(Versions.PRETTY_VERSION_LATEST, Versions.prettyVersion(VERSION_LATEST));
        Assert.assertEquals("123", Versions.prettyVersion(123l));
    }