return filters.get(0);
        } else {
            return ChainedVersionFilter.newInstance(filters);
        }
    }

    private Version parseVersion(String spec) {
        try {
            return versionScheme.parseVersion(spec);
        } catch (InvalidVersionSpecificationException e) {
            throw new RuntimeException(e);
        }
    }

                List<Version> versions = new ArrayList<>();
                for (Map.Entry<String, ArtifactRepository> v : versionIndex.entrySet()) {
                    try {
                        Version ver = versionScheme.parseVersion(v.getKey());
                        if (versionConstraint.containsVersion(ver)) {
                            versions.add(ver);
                            result.setRepository(ver, v.getValue());

            buffer.append("]");
            return buffer.toString();
        }
    }

    public ComparableVersion(String version) {
        parseVersion(version);
    }

    @SuppressWarnings("checkstyle:innerassignment")
    public final void parseVersion(String version) {
        this.value = version;

        items = new ListItem();

        version = version.toLowerCase(Locale.ENGLISH);

     *
     * @param version the version string to parse
     * @return the version parsed from the given string
     * @throws org.apache.maven.api.services.VersionParserException if the parsing failed
     * @see org.apache.maven.api.services.VersionParser#parseVersion(String)
     */
    @Nonnull
    Version parseVersion(@Nonnull String version);

    /**

            }
        } finally {
            Locale.setDefault(orig);
        }
    }

    @Test
    void testReuse() {
        ComparableVersion c1 = new ComparableVersion("1");
        c1.parseVersion("2");

        Comparable<?> c2 = newComparable("2");

        assertEquals(c1, c2, "reused instance should be equivalent to new instance");
    }

    /**

    private final ModelVersionParser modelVersionParser = new DefaultModelVersionParser(new GenericVersionScheme());

    protected Version newVersion(String version) {
        return modelVersionParser.parseVersion(version);
    }

    @Test
    void testEmptyVersion() {
        assertOrder(X_EQ_Y, "0", "");
    }

    @Test
    void testNumericOrdering() {
        assertOrder(X_LT_Y, "2", "10");

        // in real-life this parser should not be used, but replaced with a proper one
        return new ModelVersionParser() {
            @Override
            public Version parseVersion(String version) {
                requireNonNull(version, "version");
                return new Version() {
                    @Override
                    public String asString() {