public SNode createChildNode(Object parameterObject, SModel model, String pattern) { SNode conceptDeclaration = getOutputConcept(); if (conceptDeclaration == null) { throw new RuntimeException( "Couldn't create child node. Concept declaration was not specified. Parameter object: " + getParameterObject()); } return NodeFactoryManager.createNode(conceptDeclaration, myOldChild, getSourceNode(), model); }