1.     private Function<LaunchJwt, Mono<NamesRoleResponse>> namesRoleService = (launchJwt) -> {
2.         NamesRoleService namesRoleService = launchJwt.getNamesRoleService();
3.         if (Objects.nonNull(namesRoleService) && StringUtils.isNotBlank(namesRoleService.getContextMembershipsUrl())) {
4.             String contextUrl = namesRoleService.getContextMembershipsUrl();
5.             return configurationClient.getPlatformAccessToken(constructAuthInfo(launchJwt))
6.                 .flatMap(oAuth2AccessToken -> namesAndRolesClient.getNamesAndRolesInfo(contextUrl, oAuth2AccessToken.getValue()));
7.         }
8.         return Mono.empty();
9.     };
10.  
11.     private Function<LaunchJwt, Mono<NamesRoleResponse>> contextClaimService = (launchJwt) -> {
12.         if (Objects.nonNull(launchJwt.getContext())) {
13.             NamesRoleResponse namesRoleResponse = new NamesRoleResponse();
14.             namesRoleResponse.setMembers(new ArrayList<Member>());
15.             namesRoleResponse.setContext(constructCourseContext(launchJwt));
16.             return Mono.just(namesRoleResponse);
17.         }
18.         return Mono.empty();
19.     };
20.    
21.     // if teacher
22.     private List<Function<LaunchJwt, Mono<NamesRoleResponse>>> namesRolesResponseSources = List.of(namesRoleService, contextClaimService);
23.     // if student
24.     // private List<Function<LaunchJwt, Mono<NamesRoleResponse>>> namesRolesResponseSources = List.of(contextClaimService, namesRoleService);
25.