Started work on java deserialization helpers

v2/pkg/protocols/common/helpers/deserialization/testdata/ValueObject.java

@@ -0,0 +1,15 @@
+import java.io.*;
+
+public class ValueObject implements Serializable {
+   private String value;
+   private String sideEffect;
+
+   public ValueObject() {
+       this("empty");
+   }
+
+   public ValueObject(String value) {
+       this.value = value;
+       this.sideEffect = java.time.LocalTime.now().toString();
+   }
+}