code: @Override
      public DescribeClientVpnTargetNetworksResult describeClientVpnTargetNetworks(DescribeClientVpnTargetNetworksRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeClientVpnTargetNetworks(request);
      }
docs: <p>
  Describes the target networks associated with the specified Client VPN endpoint.
  </p>
  
  @param describeClientVpnTargetNetworksRequest
  @return Result of the DescribeClientVpnTargetNetworks operation returned by the service.
  @sample AmazonEC2.DescribeClientVpnTargetNetworks
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/DescribeClientVpnTargetNetworks"
  target="_top">AWS API Documentation</a>