BigInteger mc_project_attachment_add(String username,
                                       String password,
                                       BigInteger project_id,
                                       String name,
                                       String title,
                                       String description,
                                       String file_type,
                                       byte[] content) throws RemoteException;
BigInteger mc_project_attachment_add(String username,
                                       String password,
                                       BigInteger project_id,
                                       String name,
                                       String title,
                                       String description,
                                       String file_type,
                                       byte[] content)