Reintroduced the setKeys method to avoid Jackson/ObjectMapper being confused

src/main/java/no/nibio/vips/entity/Result.java

@@ -51,6 +51,7 @@ public interface Result extends Comparable{
     public Geometry getValidGeometry();
     
     /* The result parameters in this Result object */
+    public void setKeys(Set<String> keys); // Don't remove this! It's here to trick Jackson/Objectmapper!
     public Set<String> getKeys();
     
     /* Setting and getting values */

src/main/java/no/nibio/vips/entity/ResultImpl.java

@@ -48,6 +48,12 @@ public class ResultImpl implements Result{
     public Date getValidTimeStart() {
         return this.validTimeStart;
     }
+    
+    @Override
+    public void setKeys(Set<String> keys) {
+        // Don't remove this!
+        // This is just here to trick Jackson/Objectmapper!
+    }
 
     @Override
     public Set<String> getKeys() {