anchor.diff:      ...TypeRef
     }
   }
  -
   fragment InputValue on __InputValue {
     name
     description
     type { ...TypeRef }
     defaultValue
   }
  -
   fragment TypeRef on __Type {
     kind
     name
  
positive.code: # https://gist.github.com/craigbeck/b90915d49fda19d5b2b17ead14dcd6da
  query IntrospectionQuery {
    __schema {
      queryType { name }
  
negative.code:       ofType {
          kind
          name
          ofType {
            kind
            name
            ofType {
              kind
              name
              ofType {
                kind
                name
                ofType {
                  kind
                  name
                }
              }
            }
          }
        }
      }
    }
  