return (T) this;
        }
        throw new ClassCastException();
    }


    /**
     * 
     * @return encoded SID
     */
    public byte[] toByteArray () {
        return toByteArray(this);
    }


    /**
     * 
     * @return whether the SID is empty (no sub-authorities)
     */
    public boolean isEmpty () {
        return this.sub_authority_count == 0;

                if (policyHandle != null) {
                    policyHandle.close();
                }
                handle.close();
            }
        }
}
    }
    public static byte[] toByteArray(rpc.sid_t sid) {
        byte[] dst = new byte[1 + 1 + 6 + sid.sub_authority_count * 4];
        int di = 0;
        dst[di++] = sid.revision;
        dst[di++] = sid.sub_authority_count;