+namespace CHG_USER
+{
+
+typedef SIMPLE_CALLBACK CALLBACK;
+
+}
+
+namespace SEND_MESSAGE
+{
+
+typedef SIMPLE_CALLBACK CALLBACK;
+
+}
+
+namespace GET_ADMIN
+{
+
+typedef ADMIN_CONF INFO;
+typedef void (* CALLBACK)(bool result, const std::string & reason, const INFO & info, void * data);
+
+}
+
+namespace GET_ADMINS
+{
+
+typedef std::vector<GET_ADMIN::INFO> INFO;
+typedef void (* CALLBACK)(bool result, const std::string & reason, const INFO & info, void * data);
+
+}
+
+namespace ADD_ADMIN
+{
+
+typedef SIMPLE_CALLBACK CALLBACK;
+
+}
+
+namespace DEL_ADMIN
+{
+
+typedef SIMPLE_CALLBACK CALLBACK;
+
+}
+
+namespace CHG_ADMIN
+{
+
+typedef SIMPLE_CALLBACK CALLBACK;
+
+}
+