protected Collection<Entity> admins = new HashSet<Entity>();
protected final Map<String, CommandInfo> allCommandInfos = new HashMap<String, CommandInfo>();
public ServiceAdministrationModule() {
/* XEP-133 4.1 */ allCommandInfos.put(COMMAND_NODE_ADD_USER, new CommandInfo(COMMAND_NODE_ADD_USER, "Add User"));
/* XEP-133 4.7 */ allCommandInfos.put(COMMAND_CHANGE_USER_PASSWORD, new CommandInfo(COMMAND_CHANGE_USER_PASSWORD, "Change User Password"));
/* XEP-133 4.15 */ allCommandInfos.put(COMMAND_GET_ONLINE_USERS_NUM, new CommandInfo(COMMAND_GET_ONLINE_USERS_NUM, "Get Number of Online Users"));
}