code: public Observable<ServiceResponse<Void>> updateWithServiceResponseAsync(String resourceGroupName, String clusterName, String configurationName, Map<String, String> parameters) {
          if (this.client.subscriptionId() == null) {
              throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
          }
          if (resourceGroupName == null) {
              throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
          }
          if (clusterName == null) {
              throw new IllegalArgumentException("Parameter clusterName is required and cannot be null.");
          }
          if (configurationName == null) {
              throw new IllegalArgumentException("Parameter configurationName is required and cannot be null.");
          }
          if (this.client.apiVersion() == null) {
              throw new IllegalArgumentException("Parameter this.client.apiVersion() is required and cannot be null.");
          }
          if (parameters == null) {
              throw new IllegalArgumentException("Parameter parameters is required and cannot be null.");
          }
          Validator.validate(parameters);
          Observable<Response<ResponseBody>> observable = service.update(this.client.subscriptionId(), resourceGroupName, clusterName, configurationName, this.client.apiVersion(), parameters, this.client.acceptLanguage(), this.client.userAgent());
          return client.getAzureClient().getPostOrDeleteResultAsync(observable, new TypeToken<Void>() { }.getType());
      }
docs: Configures the HTTP settings on the specified cluster. This API is deprecated, please use UpdateGatewaySettings in cluster endpoint instead.
  
  @param resourceGroupName The name of the resource group.
  @param clusterName The name of the cluster.
  @param configurationName The name of the cluster configuration.
  @param parameters The cluster configurations.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable for the request