code: @Override
      public DeleteVirtualInterfaceResult deleteVirtualInterface(DeleteVirtualInterfaceRequest request) {
          request = beforeClientExecution(request);
          return executeDeleteVirtualInterface(request);
      }
docs: <p>
  Deletes a virtual interface.
  </p>
  
  @param deleteVirtualInterfaceRequest
  @return Result of the DeleteVirtualInterface operation returned by the service.
  @throws DirectConnectServerException
  A server-side error occurred.
  @throws DirectConnectClientException
  One or more parameters are not valid.
  @sample AmazonDirectConnect.DeleteVirtualInterface
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/directconnect-2012-10-25/DeleteVirtualInterface"
  target="_top">AWS API Documentation</a>