code: public ServiceFuture<CognitiveServicesAccountInner> updateAsync(String resourceGroupName, String accountName, Sku sku, Map<String, String> tags, final ServiceCallback<CognitiveServicesAccountInner> serviceCallback) {
          return ServiceFuture.fromResponse(updateWithServiceResponseAsync(resourceGroupName, accountName, sku, tags), serviceCallback);
      }
docs: Updates a Cognitive Services account.
  
  @param resourceGroupName The name of the resource group within the user's subscription.
  @param accountName The name of Cognitive Services account.
  @param sku Gets or sets the SKU of the resource.
  @param tags Gets or sets a list of key value pairs that describe the resource. These tags can be used in viewing and grouping this resource (across resource groups). A maximum of 15 tags can be provided for a resource. Each tag must have a key no greater than 128 characters and value no greater than 256 characters.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object