BAEL-3200 Error handling with Spring AMQP

libraries/src/main/java/com/baeldung/kafka/Tuple.java

@@ -0,0 +1,24 @@
+package com.baeldung.kafka;
+
+public class Tuple {
+
+    private String key;
+    private Integer value;
+
+    private Tuple(String key, Integer value) {
+        this.key = key;
+        this.value = value;
+    }
+
+    public static Tuple of(String key, Integer value){
+        return new Tuple(key,value);
+    }
+
+    public String getKey() {
+        return key;
+    }
+
+    public Integer getValue() {
+        return value;
+    }
+}