}

    @Override
    public Version parseVersion(String version) {
        return modelVersionParser.parseVersion(version);
    }

    @Override
    public VersionRange parseVersionRange(String range) {
        return modelVersionParser.parseVersionRange(range);
    }

    @Override
    public VersionConstraint parseVersionConstraint(String constraint) {
        return modelVersionParser.parseVersionConstraint(constraint);
    }

    }

    @Override
    public Version parseVersion(String version) {
        return modelVersionParser.parseVersion(version);
    }

    @Override
    public VersionRange parseVersionRange(String range) {
        return modelVersionParser.parseVersionRange(range);
    }

    @Override
    public VersionConstraint parseVersionConstraint(String constraint) {
        return modelVersionParser.parseVersionConstraint(constraint);
    }

        return delegate.parseVersion(version);
    }

    @Override
    public VersionRange parseVersionRange(String range) throws InvalidVersionSpecificationException {
        return delegate.parseVersionRange(range);
    }

    @Override
    public VersionConstraint parseVersionConstraint(String constraint) throws InvalidVersionSpecificationException {

     * @return the parsed version range, never {@code null}
     * @throws VersionParserException if the range specification violates the syntax rules of this scheme
     */
    @Nonnull
    VersionRange parseVersionRange(@Nonnull String range);

    /**
     * Parses the specified version constraint specification, for example "1.0" or "[1.0,2.0)".
     *

    @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) {

     * @return the parsed version range, never {@code null}
     * @throws VersionParserException if the range specification violates the syntax rules of this scheme
     */
    @Nonnull
    VersionRange parseVersionRange(@Nonnull String range);

    /**
     * Parses the specified version constraint specification, for example "1.0" or "[1.0,2.0)".
     *
     * @param constraint the range specification to parse, must not be {@code null}