code: public ServiceFuture<Void> regenerateAccessKeyAsync(String resourceGroupName, String workflowName, KeyType keyType, final ServiceCallback<Void> serviceCallback) {
          return ServiceFuture.fromResponse(regenerateAccessKeyWithServiceResponseAsync(resourceGroupName, workflowName, keyType), serviceCallback);
      }
docs: Regenerates the callback URL access key for request triggers.
  
  @param resourceGroupName The resource group name.
  @param workflowName The workflow name.
  @param keyType The key type. Possible values include: 'NotSpecified', 'Primary', 'Secondary'
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object