if I do this:
```
List<GraphQLResolver<?>...
# getting-startedp
poohbar
01/26/2018, 1:29 PMif I do this:
Copy code
List<GraphQLResolver<?>> listOfBeans = new ArrayList<>(beans); Copy code
Error:(104, 107) java: incompatible types: java.util.Collection<GraphQLResolver> cannot be converted to java.util.Collection<? extends GraphQLResolver<?>>