graph.claim(data.componentType, L0.DomainOf, copy);
Layer0Utils.assert_(graph, data.componentType, copy, copyAss.iterator().next());
CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
graph.claim(data.componentType, L0.DomainOf, copy);
Layer0Utils.assert_(graph, data.componentType, copy, copyAss.iterator().next());
CommentMetadata cm = graph.getMetadata(CommentMetadata.class);