This leads to a compiler error: ```java Project project = graphQlClient.documentName("projectReleases") .variable("slug", "spring-framework") .retrieveSync() .toEntity(Project.class); ``` https://github.com/spring-projects/spring-graphql/blob/137d12ef70890fed790b2683606852778c0a3c31/spring-graphql-docs/modules/ROOT/pages/client.adoc?plain=1#L473