apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/controller/PermissionController.java/PermissionController/getCreateApplicationRoleUsers
class PermissionController:  @PreAuthorize(value = "@permissionValidator.isSuperAdmin()")
  @GetMapping("/system/role/createApplication")
  public List<String> getCreateApplicationRoleUsers() {
    return rolePermissionService.queryUsersWithRole(SystemRoleManagerService.CREATE_APPLICATION_ROLE_NAME)
            .stream().map(UserInfo::getUserId).collect(Collectors.toList());
  }