code: public Observable<ServiceResponse<Void>> importDataWithServiceResponseAsync(String resourceGroupName, String name, ImportRDBParameters parameters) {
          if (resourceGroupName == null) {
              throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
          }
          if (name == null) {
              throw new IllegalArgumentException("Parameter name is required and cannot be null.");
          }
          if (this.client.subscriptionId() == null) {
              throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
          }
          if (parameters == null) {
              throw new IllegalArgumentException("Parameter parameters is required and cannot be null.");
          }
          if (this.client.apiVersion() == null) {
              throw new IllegalArgumentException("Parameter this.client.apiVersion() is required and cannot be null.");
          }
          Validator.validate(parameters);
          Observable<Response<ResponseBody>> observable = service.importData(resourceGroupName, name, this.client.subscriptionId(), parameters, this.client.apiVersion(), this.client.acceptLanguage(), this.client.userAgent());
          return client.getAzureClient().getPostOrDeleteResultAsync(observable, new TypeToken<Void>() { }.getType());
      }
docs: Import data into Redis cache.
  
  @param resourceGroupName The name of the resource group.
  @param name The name of the Redis cache.
  @param parameters Parameters for Redis import operation.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable for the request