My target is to build a GraphQL server on Spring with (1) GraphiQL IDE (2) dynamic GraphQL schema at run-time. My GraphQL engine is GraphQL-Java. In my first try, I use graphql-java-spring-boot-starter-webmvc and graphiql-spring-boot-starter. Both the GraphQL server and the GraphiQL work well. However, under the graphql-java-spring-boot-starter-webmvc framework, a @Bean of GraphQL class is needed. In this bean, the schema