new DefaultChecksumAlgorithmFactorySelector(getChecksumAlgorithmFactories()));

    @Test
    void smokeTest() {
        Collection<String> algNames = service.getChecksumAlgorithmNames();
        assertEquals(4, algNames.size());
    }

    @Test
    void emptySha1Calculator() {
        ChecksumAlgorithmService.ChecksumCalculator calculator =

 */
@Experimental
public interface ChecksumAlgorithmService extends Service {

    /**
     * Returns immutable collection of all supported algorithm names.
     */
    @Nonnull
    Collection<String> getChecksumAlgorithmNames();

    /**
     * Returns {@link ChecksumAlgorithm} for given algorithm name, or throws if algorithm not supported.
     *
     * @throws ChecksumAlgorithmServiceException if asked algorithm name is not supported.