} catch (DIException e) {
                        return Optional.empty();
                    }
                }

                @Override
                public <T> Optional<T> lookupOptional(Class<T> type, String name) {
                    try {
                        return Optional.of(injector.getInstance(Key.of(type, name)));

                    }
                }
                //noinspection unchecked
                return (Q) map(map, this::getInstance);
            };
        }

        private <Q> Q getInstance(Binding<Q> binding) {
            return compile(binding).get();
        }

        private static Comparator<Binding<?>> getBindingComparator() {

            checkForUpdates = true;
        } else if (UPDATE_POLICY_DAILY.equals(updatePolicy)) {
            // Get local midnight boundary
            Calendar cal = Calendar.getInstance();

            cal.set(Calendar.HOUR_OF_DAY, 0);
            cal.set(Calendar.MINUTE, 0);
            cal.set(Calendar.SECOND, 0);
            cal.set(Calendar.MILLISECOND, 0);

        }
        sourceState.set(result);
        return result;
    }

    static String sha1(Path path) throws NoSuchAlgorithmException, IOException {
        MessageDigest md = MessageDigest.getInstance("SHA-1");
        try (InputStream fis = Files.newInputStream(path)) {
            byte[] buffer = new byte[SHA1_BUFFER_SIZE];
            int read;
            while ((read = fis.read(buffer)) != -1) {

            config.setSystemProperties(p);
        }
        return config;
    }

    @Test
    public void testDefaultBuildTimestampFormatShouldFormatTimeIn24HourFormat() {
        Calendar cal = Calendar.getInstance();
        cal.setTimeZone(MavenBuildTimestamp.DEFAULT_BUILD_TIME_ZONE);
        cal.set(Calendar.HOUR, 12);
        cal.set(Calendar.AM_PM, Calendar.AM);

        // just to make sure all the bases are covered...

        try (Writer writer = new OutputStreamWriter(new FileOutputStream(artifactFile), StandardCharsets.ISO_8859_1)) {
            writer.write(artifact.getId());
        }

        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(artifact.getId().getBytes());
        byte[] digest = md.digest();

        String md5path = repository.pathOf(artifact) + ".md5";