Name, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), this.client.userAgent())             .flatMap(new Func0<Response<ResponseBody>, Observable<ServiceResponse<Page<FirewallPolicyInner>>>>() {                 @Override                 public Observable<ServiceResponse<Page<FirewallPolicyInner>>> call(Response<ResponseBody> response) {                     try {                         ServiceResponse<PageImpl<FirewallPolicyInner>> result = listByResourceGroupDelegate(response);                         return Observable.just(new ServiceResponse<Page<FirewallPolicyInner>>(result.body(), result.response()));                     } catch (Throwable t) {                         return Observable.error(t);                     }                 }             });     }      private ServiceResponse<PageImpl<FirewallPolicyInner>> listByResourceGroupDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {         return this.client.restClient().responseBuilderFactory().<PageImpl<FirewallPolicyInner>, CloudException>newInstance(this.client.serializerAdapter())                 .register(000, new TypeToken<PageImpl<FirewallPolicyInner>>() { }.getType())                 .registerError(CloudException.class)                 .build(response);     }      /**      * Gets all the Firewall Policies in a subscription.      *      * @throws IllegalArgumentException thrown if parameters fail the validation      * @throws CloudException thrown if the request is rejected by server      * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent      * @return the PagedList&lt;FirewallPolicyInner&gt; object if successful.      */     public PagedList<FirewallPolicyInner> list