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

    /**
     * Gets the domain SID for this SID.
     *
     * @return domain SID
     */
    SID getDomainSid();

    /**
     * Get the RID
     *
     * This is the last subauthority identifier
     *
     * @return the RID
     */
    int getRid();

    /**