public Set<ApplicationName> applications(TenantName tenantName) {
        return toApplications(send(request(HttpRequest.newBuilder(applicationsPath(tenantName))
                                                 .timeout(Duration.ofSeconds(20)),
                                      GET)));
    }
Returns the applications for the given tenant.
hosted-api/src/main/java/ai/vespa/hosted/api/ControllerHttpClient.java