docs: public Observable<SharedAccessAuthorizationRuleResourceInner> createOrUpdateAuthorizationRuleAsync(String resourceGroupName, String namespaceName, String authorizationRuleName, SharedAccessAuthorizationRuleCreateOrUpdateParameters parameters) {
          return createOrUpdateAuthorizationRuleWithServiceResponseAsync(resourceGroupName, namespaceName, authorizationRuleName, parameters).map(new Func1<ServiceResponse<SharedAccessAuthorizationRuleResourceInner>, SharedAccessAuthorizationRuleResourceInner>() {
              @Override
              public SharedAccessAuthorizationRuleResourceInner call(ServiceResponse<SharedAccessAuthorizationRuleResourceInner> response) {
                  return response.body();
              }
          });
      }