code: public ServiceFuture<List<NetworkInterfaceIPConfigurationInner>> listVirtualMachineScaleSetIpConfigurationsAsync(final String resourceGroupName, final String virtualMachineScaleSetName, final String virtualmachineIndex, final String networkInterfaceName, final String expand, final ListOperationCallback<NetworkInterfaceIPConfigurationInner> serviceCallback) {
          return AzureServiceFuture.fromPageResponse(
              listVirtualMachineScaleSetIpConfigurationsSinglePageAsync(resourceGroupName, virtualMachineScaleSetName, virtualmachineIndex, networkInterfaceName, expand),
              new Func1<String, Observable<ServiceResponse<Page<NetworkInterfaceIPConfigurationInner>>>>() {
                  @Override
                  public Observable<ServiceResponse<Page<NetworkInterfaceIPConfigurationInner>>> call(String nextPageLink) {
                      return listVirtualMachineScaleSetIpConfigurationsNextSinglePageAsync(nextPageLink);
                  }
              },
              serviceCallback);
      }
docs: Get the specified network interface ip configuration in a virtual machine scale set.
  
  @param resourceGroupName The name of the resource group.
  @param virtualMachineScaleSetName The name of the virtual machine scale set.
  @param virtualmachineIndex The virtual machine index.
  @param networkInterfaceName The name of the network interface.
  @param expand Expands referenced resources.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object