int SID_TYPE_WKN_GRP = 5;

    /**
     * SID type indicating a deleted account.
     */
    int SID_TYPE_DELETED = 6;

    /**
     * SID type indicating an invalid SID.
     */
    int SID_TYPE_INVALID = 7;

    /**
     * SID type indicating an unknown account type.
     */
    int SID_TYPE_UNKNOWN = 8;

    /**
     * Gets the domain SID for this SID.
     *
     * @return domain SID
     */

    /**
     * SID type for a domain.
     */
    public static final int SID_TYPE_DOMAIN = 3;

    /**
     * SID type for an invalid SID.
     */
    public static final int SID_TYPE_INVALID = 7;

    /**
     * SID type for an unknown SID.
     */
    public static final int SID_TYPE_UNKNOWN = 8;

    /**
     * SID type for a non-use SID.
     */