Specifies that the annotated field or method (given it is also
annotated with GraphQLField) is a collection that will
be adhering Relay Connection specification
At the moment, the only allowed type for such field is List<?>
Copyright 2016 Yurii Rashkovskii
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
Use this class in GraphQLConnection to do a real pagination,
i.e you fetch each time the relevant data, you make the cursors and
you decide if there are previous or next pages