diff --git a/hoot-core/src/main/cpp/hoot/core/elements/ConstElementConsumer.h b/hoot-core/src/main/cpp/hoot/core/elements/ConstElementConsumer.h
index bf7b054..3345536 100644
--- a/hoot-core/src/main/cpp/hoot/core/elements/ConstElementConsumer.h
+++ b/hoot-core/src/main/cpp/hoot/core/elements/ConstElementConsumer.h
@@ -22,7 +22,7 @@
* This will properly maintain the copyright information. DigitalGlobe
* copyrights will be updated automatically.
*
- * @copyright Copyright (C) 2015, 2017, 2018, 2019 DigitalGlobe (http://www.digitalglobe.com/)
+ * @copyright Copyright (C) 2015, 2017, 2018, 2019, 2020 DigitalGlobe (http://www.digitalglobe.com/)
*/
#ifndef CONSTELEMENTCONSUMER_H
#define CONSTELEMENTCONSUMER_H
@@ -35,6 +35,10 @@ namespace hoot
class ConstElementConsumer : public ElementConsumer
{
public:
+
+ ConstElementConsumer() = default;
+ virtual ~ConstElementConsumer() = default;
+
virtual void addElement(const ConstElementPtr& e) = 0;
virtual void addElement(const ElementPtr& e)
{