public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
@SuppressWarnings("unchecked")
final ImmutableList<RpcError> errors = (ImmutableList<RpcError>) in.readObject();
- final Optional<NormalizedNode<?, ?>> output = SerializationUtils.readNormalizedNode(in);
+ final Optional<NormalizedNode> output = SerializationUtils.readNormalizedNode(in);
actionResponse = new ActionResponse(output.map(ContainerNode.class::cast), errors);
}