try {
            return versionParser.parseVersionRange(range);
        } catch (VersionParserException e) {
            throw new AssertionError(range + " should be valid but failed to parse due to: " + e.getMessage(), e);
        }
    }

    private void parseInvalid(String range) {
        try {
            versionParser.parseVersionRange(range);
            fail(range + " should be invalid");

        } catch (InvalidVersionSpecificationException e) {
            throw new RuntimeException(e);
        }
    }

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

    @Override
    public Version parseVersion(String version) {
        requireNonNull(version, "version");
        return new DefaultVersion(versionScheme, version);
    }

    @Override
    public VersionRange parseVersionRange(String range) {
        requireNonNull(range, "range");
        return new DefaultVersionRange(versionScheme, range);
    }

    @Override
    public boolean isSnapshot(String version) {

     * <p>
     * Shortcut for {@code getService(VersionParser.class).parseVersionRange(...)}.
     *
     * @param versionRange the version string to parse
     * @return the version range parsed from the given string
     * @throws org.apache.maven.api.services.VersionParserException if the parsing failed
     * @see org.apache.maven.api.services.VersionParser#parseVersionRange(String)
     */
    @Nonnull

                        return version.compareTo(o.asString());
                    }
                };
            }

            @Override
            public VersionRange parseVersionRange(String range) {
                throw new IllegalArgumentException("ranges not supported by this parser");
            }

            @Override

        if (version != null && parent.getVersion() != null && !version.equals(parent.getVersion())) {
            try {
                VersionRange parentRange = versionParser.parseVersionRange(parent.getVersion());
                if (!parentRange.contains(versionParser.parseVersion(version))) {
                    // version skew drop back to resolution from the repository
                    return null;