--- /dev/null
+// vi: ts=4 sw=4 noet:
+/*
+==================================================================================
+ Copyright (c) 2020 Nokia
+ Copyright (c) 2020 AT&T Intellectual Property.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+==================================================================================
+*/
+
+/*
+ Mnemonic: default_cb.hpp
+ Abstract: Headers/prototypes for the default callbacks. The
+ default callbacks are those which we install when
+ the messenger is created and handles things that
+ the application might not want to (e.g. health check).
+
+ Date: 11 March 2020
+ Author: E. Scott Daniels
+*/
+
+#ifndef _DEF_CB_H
+#define _DEF_CB_H
+
+
+void Health_ck_cb( Messenger& mr, Message& mbuf, int mtype, int sid, int len, Msg_component payload, void* data );
+
+
+#endif