*
     * @return {@link System#getProperties()} obtained in a thread-safe manner.
     */
    public static Properties getSystemProperties() {
        return copyProperties(System.getProperties());
    }

    /**
     * Copies the given {@link Properties} object into a new {@link Properties} object, in a thread-safe manner.
     * @param properties Properties to copy.

     */
    public static final ArtifactStatus CONVERTED = new ArtifactStatus("converted", 2);

    /**
     * Moderate trust - it was deployed directly from a partner.
     */
    public static final ArtifactStatus PARTNER = new ArtifactStatus("partner", 3);

    /**
     * Moderate trust - it was deployed directly by a user.
     */
    public static final ArtifactStatus DEPLOYED = new ArtifactStatus("deployed", 4);