code: public Observable<ServiceResponse<StorageBundle>> updateStorageAccountWithServiceResponseAsync(String vaultBaseUrl, String storageAccountName) {
          if (vaultBaseUrl == null) {
              throw new IllegalArgumentException("Parameter vaultBaseUrl is required and cannot be null.");
          }
          if (storageAccountName == null) {
              throw new IllegalArgumentException("Parameter storageAccountName is required and cannot be null.");
          }
          if (this.apiVersion() == null) {
              throw new IllegalArgumentException("Parameter this.apiVersion() is required and cannot be null.");
          }
          final String activeKeyName = null;
          final Boolean autoRegenerateKey = null;
          final String regenerationPeriod = null;
          final StorageAccountAttributes storageAccountAttributes = null;
          final Map<String, String> tags = null;
          StorageAccountUpdateParameters parameters = new StorageAccountUpdateParameters();
          parameters.withActiveKeyName(null);
          parameters.withAutoRegenerateKey(null);
          parameters.withRegenerationPeriod(null);
          parameters.withStorageAccountAttributes(null);
          parameters.withTags(null);
          String parameterizedHost = Joiner.on(", ").join("{vaultBaseUrl}", vaultBaseUrl);
          return service.updateStorageAccount(storageAccountName, this.apiVersion(), this.acceptLanguage(), parameters, parameterizedHost, this.userAgent())
              .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<StorageBundle>>>() {
                  @Override
                  public Observable<ServiceResponse<StorageBundle>> call(Response<ResponseBody> response) {
                      try {
                          ServiceResponse<StorageBundle> clientResponse = updateStorageAccountDelegate(response);
                          return Observable.just(clientResponse);
                      } catch (Throwable t) {
                          return Observable.error(t);
                      }
                  }
              });
      }
docs: Updates the specified attributes associated with the given storage account. This operation requires the storage/set/update permission.
  
  @param vaultBaseUrl The vault name, for example https://myvault.vault.azure.net.
  @param storageAccountName The name of the storage account.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the StorageBundle object