BAEL-1018 - Introduction to MBassador (#2551)

libraries/src/main/java/com/baeldung/mbassador/AckMessage.java

@@ -0,0 +1,5 @@
+package com.baeldung.mbassador;
+
+public class AckMessage extends Message {
+
+}

libraries/src/main/java/com/baeldung/mbassador/Message.java

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+package com.baeldung.mbassador;
+
+public class Message {
+
+}

libraries/src/main/java/com/baeldung/mbassador/RejectMessage.java

@@ -0,0 +1,15 @@
+package com.baeldung.mbassador;
+
+public class RejectMessage extends Message {
+
+    int code;
+
+    public int getCode() {
+        return code;
+    }
+
+    public void setCode(int code) {
+        this.code = code;
+    }
+
+}