import org.eclipse.xtext.parsetree.reconstr.impl.DefaultTransientValueService; //导入依赖的package包/类
@Test public void testCrossResourceContainment() throws Exception {
	Element parent = CrossContainmentFactory.eINSTANCE.createElement();
	Element child = CrossContainmentFactory.eINSTANCE.createElement();
	parent.getContainment().add(child);
	Resource resource0 = new XMIResourceImpl(URI.createFileURI("test0.xmi"));
	resource0.getContents().add(parent);
	DefaultTransientValueService defaultTransientValueService = new DefaultTransientValueService();
	assertTrue(defaultTransientValueService.isTransient(child, CrossContainmentPackage.Literals.ELEMENT__CONTAINER, 0));
	Resource resource1 =new XMIResourceImpl(URI.createFileURI("test0.xmi"));
	resource1.getContents().add(child);
	assertEquals(parent, child.getContainer());
	assertFalse(defaultTransientValueService.isTransient(child, CrossContainmentPackage.Literals.ELEMENT__CONTAINER, 0));
}
 

import org.eclipse.xtext.parsetree.reconstr.impl.DefaultTransientValueService; //导入依赖的package包/类
public Class<? extends ITransientValueService> bindITransientValueService() {
	return DefaultTransientValueService.class;
}