code: public DescribeClientVpnTargetNetworksResult withClientVpnTargetNetworks(TargetNetwork... clientVpnTargetNetworks) {
          if (this.clientVpnTargetNetworks == null) {
              setClientVpnTargetNetworks(new com.amazonaws.internal.SdkInternalList<TargetNetwork>(clientVpnTargetNetworks.length));
          }
          for (TargetNetwork ele : clientVpnTargetNetworks) {
              this.clientVpnTargetNetworks.add(ele);
          }
          return this;
      }
docs: <p>
  Information about the associated target networks.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setClientVpnTargetNetworks(java.util.Collection)} or
  {@link #withClientVpnTargetNetworks(java.util.Collection)} if you want to override the existing values.
  </p>
  
  @param clientVpnTargetNetworks
  Information about the associated target networks.
  @return Returns a reference to this object so that method calls can be chained together.