code: public ServiceFuture<VirtualNetworkPeeringInner> getAsync(String resourceGroupName, String virtualNetworkName, String virtualNetworkPeeringName, final ServiceCallback<VirtualNetworkPeeringInner> serviceCallback) {
          return ServiceFuture.fromResponse(getWithServiceResponseAsync(resourceGroupName, virtualNetworkName, virtualNetworkPeeringName), serviceCallback);
      }
docs: Gets the specified virtual network peering.
  
  @param resourceGroupName The name of the resource group.
  @param virtualNetworkName The name of the virtual network.
  @param virtualNetworkPeeringName The name of the virtual network peering.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object