minor

Author: ftomassetti

core/src/main/java/io/lionweb/lioncore/java/api/LocalClassifierInstanceResolver.java

@@ -31,7 +31,7 @@ public ClassifierInstance<?> resolve(String instanceID) {
     return instances.get(instanceID);
   }
 
-  public void addAll(@Nonnull List<ClassifierInstance<?>> instances) {
+  public void addAll(@Nonnull List<? extends ClassifierInstance<?>> instances) {
     instances.forEach(n -> add(n));
   }
 

emf/src/test/java/io/lionweb/lioncore/java/emf/EMFModelExporterTest.java

@@ -17,7 +17,7 @@ public class EMFModelExporterTest {
   public void exportLibraryInstance() throws IOException {
     JsonSerialization jsonSerialization = JsonSerialization.getStandardSerialization();
     jsonSerialization.registerLanguage(LibraryMetamodel.LIBRARY_LANG);
-    jsonSerialization.getNodeInstantiator().enableDynamicNodes();
+    jsonSerialization.getInstantiator().enableDynamicNodes();
     List<Node> nodes =
         jsonSerialization.unserializeToNodes(
             this.getClass().getResourceAsStream("/langeng-library.json"));