Model:
	greetings+=Greeting*;
	
Greeting:
	'Hello' name=ID ('from' from=[Greeting])?'!';

public class MyDslCRS extends CrossReferenceSerializer {
	
	@Override
	public boolean isValid(EObject semanticObject, CrossReference crossref, EObject target, INode node,
			Acceptor errors) {
		System.out.println("isValid");
		return super.isValid(semanticObject, crossref, target, node, errors);
	}
	
	@Override
	public String serializeCrossRef(EObject semanticObject, CrossReference crossref, EObject target, INode node,
			Acceptor errors) {
		System.out.println("serialize");
		return super.serializeCrossRef(semanticObject, crossref, target, node, errors);
	}

}

class MyDslRuntimeModule extends AbstractMyDslRuntimeModule {
	
	def Class<? extends ICrossReferenceSerializer> bindICrossReferenceSerializer() {
		MyDslCRS
	}
}

class Main {
	
	def static void main(String[] args) {
		val i = new MyDslStandaloneSetup().createInjectorAndDoEMFRegistration
		val rs = i.getInstance(ResourceSet)
		val r = rs.createResource(URI.createURI("demo.mydsl2"))
		val model = MyDslFactory.eINSTANCE.createModel => [
			val g1 = MyDslFactory.eINSTANCE.createGreeting => [
				name = "g1"
			]
			val g2 = MyDslFactory.eINSTANCE.createGreeting => [
				name = "g2"
				from = g1
			]
			greetings += g1
			greetings += g2
		]
		r.contents += model
		r.save(SaveOptions.defaultOptions.toOptionsMap)
	}
	
}