code: public CacheControl hint(DataFetchingEnvironment dataFetchingEnvironment, Scope scope) {
          return hint(dataFetchingEnvironment, null, scope);
      }
docs: This creates a cache control hint for the specified field being fetched with a specified scope
  
  @param dataFetchingEnvironment the path to the field that has the cache control hint
  @param scope                   the scope of the cache control hint
  
  @return this object builder style