code: public ServiceFuture<OperationStatusResponseInner> deleteInstancesAsync(String resourceGroupName, String vmScaleSetName, List<String> instanceIds, final ServiceCallback<OperationStatusResponseInner> serviceCallback) {
          return ServiceFuture.fromResponse(deleteInstancesWithServiceResponseAsync(resourceGroupName, vmScaleSetName, instanceIds), serviceCallback);
      }
docs: Deletes virtual machines in a VM scale set.
  
  @param resourceGroupName The name of the resource group.
  @param vmScaleSetName The name of the VM scale set.
  @param instanceIds The virtual machine scale set instance ids.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object