code: public ServiceFuture<CognitiveServicesAccountKeysInner> regenerateKeyAsync(String resourceGroupName, String accountName, final ServiceCallback<CognitiveServicesAccountKeysInner> serviceCallback) {
          return ServiceFuture.fromResponse(regenerateKeyWithServiceResponseAsync(resourceGroupName, accountName), serviceCallback);
      }
docs: Regenerates the specified account key for the specified Cognitive Services account.
  
  @param resourceGroupName The name of the resource group within the user's subscription.
  @param accountName The name of the cognitive services account within the specified resource group. Cognitive Services account names must be between 3 and 24 characters in length and use numbers and lower-case letters only.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object