code: public ServiceFuture<IntegrationAccountInner> regenerateAccessKeyAsync(String resourceGroupName, String integrationAccountName, KeyType keyType, final ServiceCallback<IntegrationAccountInner> serviceCallback) {
          return ServiceFuture.fromResponse(regenerateAccessKeyWithServiceResponseAsync(resourceGroupName, integrationAccountName, keyType), serviceCallback);
      }
docs: Regenerates the integration account access key.
  
  @param resourceGroupName The resource group name.
  @param integrationAccountName The integration account 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