Optional<? extends TenantAdminApi> tenantAdminApiExtension = keystoneApi.getTenantAdminApi();
if (tenantAdminApiExtension.isPresent()) {
System.out.format(" TenantAdminApi is present%n");
TenantAdminApi tenantAdminApi = tenantAdminApiExtension.get();
CreateTenantOptions tenantOptions = CreateTenantOptions.Builder
.description("My New Tenant");
Tenant tenant = tenantAdminApi.create("newTenant", tenantOptions);
System.out.format(" %s%n", tenant);
return tenant;
} else {