)             .map(new Func0<ServiceResponse<Page<FirewallPolicyInner>>, Page<FirewallPolicyInner>>() {                 @Override                 public Page<FirewallPolicyInner> call(ServiceResponse<Page<FirewallPolicyInner>> response) {                     return response.body();                 }             });     }      /**      * Gets all the Firewall Policies in a subscription.      *      * @throws IllegalArgumentException thrown if parameters fail the validation      * @return the observable to the PagedList&lt;FirewallPolicyInner&gt; object      */     public Observable<ServiceResponse<Page<FirewallPolicyInner>>> list