public void setBaseVersion(String baseVersion) {
        setBaseVersionInternal(baseVersion);
    }

    protected void setBaseVersionInternal(String baseVersion) {
        this.baseVersion = ArtifactUtils.toSnapshotVersion(baseVersion);
    }

    @Override
    public int compareTo(Artifact a) {
        int result = groupId.compareTo(a.getGroupId());
        if (result == 0) {

    }

    private static String getKey(Plugin plugin, boolean extension) {
        String version = ArtifactUtils.toSnapshotVersion(plugin.getVersion());
        return (extension ? "extension>" : "plugin>") + plugin.getGroupId() + ":" + plugin.getArtifactId() + ":"
                + version;
    }