* @throws IOException In case of any IO problem.
     */
    @Nonnull
    Map<ChecksumAlgorithm, String> calculate(
            @Nonnull InputStream stream, @Nonnull Collection<ChecksumAlgorithm> algorithms) throws IOException;

    /**
     * The checksum algorithm.
     */
    interface ChecksumAlgorithm {
        /**

        assertEquals("da39a3ee5e6b4b0d3255bfef95601890afd80709", calculator.checksum());
    }

    @Test
    void calculateByte() throws IOException {
        Map<ChecksumAlgorithmService.ChecksumAlgorithm, String> checksums = service.calculate(
                "test".getBytes(StandardCharsets.UTF_8), service.select(Arrays.asList("SHA-1", "MD5")));
        assertNotNull(checksums);
        assertEquals(2, checksums.size());