https://github.com/graphql/graphql-spec/pull/892 -> https://github.com/graphql/graphql-spec/pull/1170 ```graphql "Some description" query SomeOperation( "ID you should provide" $id: String "Switch for experiment ...." $enableBaz: Boolean = false, ) { foo(id: $id) { bar baz @include(if: $enableBaz) { ...BazInfo } } } "Some description here" fragment BazInfo on Baz { # ... } ``` 