diff --git a/alib2common/src/PrimitiveRegistrator.cpp b/alib2common/src/PrimitiveRegistrator.cpp
index 2283ce722b0ec4efbd65cdffb7ccfb5e221e90c7..13819a22fe5ab24cf38c4ff2b7cee7ad225819d0 100644
--- a/alib2common/src/PrimitiveRegistrator.cpp
+++ b/alib2common/src/PrimitiveRegistrator.cpp
@@ -27,6 +27,35 @@ class PrimitiveRegistrator {
 		throw std::invalid_argument ( "Casted object does not contain data of type " + ext::to_string < ext::set < object::Object > > ( ) + "." );
 	}
 
+	static ext::set < ext::pair < object::Object, object::Object > > denormalizeSetObjectPair ( const object::Object & o ) {
+		const object::AnyObjectBase & data = o.getData ( );
+		const object::AnyObject < ext::set < ext::pair < object::Object, object::Object > > > * innerData = dynamic_cast < const object::AnyObject < ext::set < ext::pair < object::Object, object::Object > > > * > ( & data );
+		if ( innerData )
+			return innerData->getData ( );
+
+		const object::AnyObject < ext::set < object::Object > > * innerData2 = dynamic_cast < const object::AnyObject < ext::set < object::Object > > * > ( & data );
+		if ( innerData2 ) {
+			ext::set < ext::pair < object::Object, object::Object > > res;
+			for ( const object::Object & inner : innerData2->getData ( ) ) {
+				const object::AnyObjectBase & dataTmp = inner.getData ( );
+				const object::AnyObject < ext::pair < object::Object, object::Object > > * innerDataTmp = dynamic_cast < const object::AnyObject < ext::pair < object::Object, object::Object > > * > ( & dataTmp );
+				if ( innerDataTmp ) {
+					res.insert ( innerDataTmp->getData ( ) );
+					continue;
+				}
+
+				const object::AnyObject < ext::pair < unsigned, unsigned > > * innerDataTmp2 = dynamic_cast < const object::AnyObject < ext::pair < unsigned, unsigned > > * > ( & dataTmp );
+				if ( innerDataTmp2 ) {
+					res.insert ( ext::make_pair ( object::Object ( innerDataTmp2->getData ( ).first ), object::Object ( innerDataTmp2->getData ( ).second ) ) );
+					continue;
+				}
+				throw std::invalid_argument ( "Casted object does not contain data of type " + ext::to_string < ext::set < ext::pair < object::Object, object::Object > > > ( ) + "." );
+			}
+			return res;
+		}
+		throw std::invalid_argument ( "Casted object does not contain data of type " + ext::to_string < ext::set < ext::pair < object::Object, object::Object > > > ( ) + "." );
+	}
+
 public:
 	PrimitiveRegistrator ( ) {
 		alib::ExceptionHandler::addHandler < 3 > ( [] ( std::ostream & out, const exception::CommonException & exception ) {
@@ -52,6 +81,7 @@ public:
 		abstraction::CastRegistry::registerCast < long, int > ( "long", ext::to_string < int > ( ) );
 
 		abstraction::CastRegistry::registerCastAlgorithm < const ext::set < object::Object > &, const object::Object & > ( "SetOfObjects", ext::to_string < object::Object > ( ), denormalizeSetObject, true );
+		abstraction::CastRegistry::registerCastAlgorithm < ext::set < ext::pair < object::Object, object::Object > >, const object::Object & > ( "SetOfObjectPairs", ext::to_string < object::Object > ( ), denormalizeSetObjectPair, true );
 		abstraction::CastRegistry::registerCast < object::Object, const ext::set < object::Object > & > ( "DefaultStateType", ext::to_string < const ext::set < object::Object > & > ( ), true );
 
 		abstraction::ContainerRegistry::registerSet < int > ( );
@@ -111,6 +141,9 @@ public:
 		abstraction::CastRegistry::unregisterCast < unsigned, int > ( );
 
 		abstraction::CastRegistry::unregisterCast ( "long", ext::to_string < int > ( ) );
+		abstraction::CastRegistry::unregisterCast ( "SetOfObjects", ext::to_string < object::Object > ( ) );
+		abstraction::CastRegistry::unregisterCast ( "SetOfObjectPairs", ext::to_string < object::Object > ( ) );
+		abstraction::CastRegistry::unregisterCast ( "DefaultStateType", ext::to_string < const ext::set < object::Object > & > ( ) );
 
 		abstraction::ContainerRegistry::unregisterSet < int > ( );