docs: public Observable<ServiceResponse<EffectiveNetworkSecurityGroupListResultInner>> beginListEffectiveNetworkSecurityGroupsWithServiceResponseAsync(String resourceGroupName, String networkInterfaceName) {
          if (resourceGroupName == null) {
              throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
          }
          if (networkInterfaceName == null) {
              throw new IllegalArgumentException("Parameter networkInterfaceName is required and cannot be null.");
          }
          if (this.client.subscriptionId() == null) {
              throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
          }
          final String apiVersion = "2018-04-01";
          return service.beginListEffectiveNetworkSecurityGroups(resourceGroupName, networkInterfaceName, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), this.client.userAgent())
              .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<EffectiveNetworkSecurityGroupListResultInner>>>() {
                  @Override
                  public Observable<ServiceResponse<EffectiveNetworkSecurityGroupListResultInner>> call(Response<ResponseBody> response) {
                      try {
                          ServiceResponse<EffectiveNetworkSecurityGroupListResultInner> clientResponse = beginListEffectiveNetworkSecurityGroupsDelegate(response);
                          return Observable.just(clientResponse);
                      } catch (Throwable t) {
                          return Observable.error(t);
                      }
                  }
              });
      }