}
                }

                Collections.sort(versions);
                result.setVersions(versions);
            }
        }

        return result;
    }

    private Map<String, ArtifactRepository> getVersions(
            RepositorySystemSession session,
            VersionRangeResult result,
            VersionRangeRequest request,

        Collection<String> versions = new LinkedHashSet<>();

        if ((repoMetadata != null) && (repoMetadata.getVersioning() != null)) {
            versions.addAll(repoMetadata.getVersioning().getVersions());
        }

        versions.addAll(availableVersions);

        List<ArtifactVersion> artifactVersions = new ArrayList<>(versions.size());

        for (String version : versions) {

    } // -- void setGroupId( String )

    /**
     * Set the version of the extension.
     *
     * @param version a version object.
     */
    public void setVersion(String version) {
        this.version = version;
    } // -- void setVersion( String )

    /**
     * Gets the identifier of the extension.
     *

     */
    public int getVersion() {
        return version;
    }

    /**
     * Sets the witness protocol version.
     *
     * @param version the protocol version
     */
    public void setVersion(int version) {
        this.version = version;
    }

    /**
     * Gets the share name to monitor.
     *
     * @return the share name
     */
    public String getShareName() {

        if (Artifact.LATEST_VERSION.equals(version) || Artifact.RELEASE_VERSION.equals(version)) {
            // meta-versions are not valid <version/> values...don't write them.
            metadata.setVersion(null);
        }

        if (changed || !metadataFile.exists()) {
            metadataFile.getParentFile().mkdirs();
            try (OutputStream output = Files.newOutputStream(metadataFile.toPath())) {

                        parent.getGroupId(),
                        parent.getArtifactId(),
                        parent.getVersion());
            }

            parent.setVersion(versionRangeResult.getHighestVersion().toString());

            return resolveModel(parent.getGroupId(), parent.getArtifactId(), parent.getVersion());
        } catch (final VersionRangeResolutionException e) {

    public PluginDescriptor() {}

    public PluginDescriptor(PluginDescriptor original) {
        this.setGroupId(original.getGroupId());
        this.setArtifactId(original.getArtifactId());
        this.setVersion(original.getVersion());
        this.setGoalPrefix(original.getGoalPrefix());
        this.setInheritedByDefault(original.isInheritedByDefault());
        this.setName(original.getName());

        CoreExtension oldExtension = new CoreExtension();
        oldExtension.setGroupId(extension.getGroupId());
        oldExtension.setArtifactId(extension.getArtifactId());
        oldExtension.setVersion(extension.getVersion());
        if (extension.getClassLoadingStrategy() != null) {
            oldExtension.setClassLoadingStrategy(extension.getClassLoadingStrategy());
        }
        this.extension = oldExtension;

    }

    /** {@inheritDoc} */
    @Override
    public String getVersion() {
        return artifact.getVersion();
    }

    /** {@inheritDoc} */
    @Override
    public void setVersion(String version) {
        artifact.setVersion(version);
    }

    /** {@inheritDoc} */
    @Override
    public String getScope() {
        return artifact.getScope();
    }

    /** {@inheritDoc} */
    @Override

            }
        } else if (since instanceof SinceTagStatus.Inconsistent inconsistent) {
            return acceptOrReject(member, Violation.error(member, String.format(SINCE_INCONSISTENT_ERROR_MESSAGE, inconsistent.getVersions())));
        } else if (since instanceof SinceTagStatus.NotNeeded) {
            return null;
        } else if (since instanceof SinceTagStatus.Missing) {