// add condition functions from BagFunction
conditionFunctions.addAll((new ConditionBagFunctionCluster()).getSupportedFunctions());
// add condition functions from SetFunction
conditionFunctions.addAll((new ConditionSetFunctionCluster()).getSupportedFunctions());
// add condition functions from HigherOrderFunction
conditionFunctions.addAll((new HigherOrderFunctionCluster()).getSupportedFunctions());
conditionAbstractFunctions = new HashMap<URI, MapFunctionProxy>(targetAbstractFunctions);
}