code: public Observable<ServiceResponse<StorageContainerInner>> getStorageContainerWithServiceResponseAsync(String resourceGroupName, String accountName, String storageAccountName, String containerName) {
          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 (accountName == null) {
              throw new IllegalArgumentException("Parameter accountName is required and cannot be null.");
          }
          if (storageAccountName == null) {
              throw new IllegalArgumentException("Parameter storageAccountName is required and cannot be null.");
          }
          if (containerName == null) {
              throw new IllegalArgumentException("Parameter containerName is required and cannot be null.");
          }
          if (this.client.apiVersion() == null) {
              throw new IllegalArgumentException("Parameter this.client.apiVersion() is required and cannot be null.");
          }
          return service.getStorageContainer(this.client.subscriptionId(), resourceGroupName, accountName, storageAccountName, containerName, this.client.apiVersion(), this.client.acceptLanguage(), this.client.userAgent())
              .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<StorageContainerInner>>>() {
                  @Override
                  public Observable<ServiceResponse<StorageContainerInner>> call(Response<ResponseBody> response) {
                      try {
                          ServiceResponse<StorageContainerInner> clientResponse = getStorageContainerDelegate(response);
                          return Observable.just(clientResponse);
                      } catch (Throwable t) {
                          return Observable.error(t);
                      }
                  }
              });
      }
docs: Gets the specified Azure Storage container associated with the given Data Lake Analytics and Azure Storage accounts.
  
  @param resourceGroupName The name of the Azure resource group.
  @param accountName The name of the Data Lake Analytics account.
  @param storageAccountName The name of the Azure storage account from which to retrieve the blob container.
  @param containerName The name of the Azure storage container to retrieve
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the StorageContainerInner object