code: public java.util.List<String> getVpnConnectionIds() {
          if (vpnConnectionIds == null) {
              vpnConnectionIds = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return vpnConnectionIds;
      }
docs: <p>
  One or more VPN connection IDs.
  </p>
  <p>
  Default: Describes your VPN connections.
  </p>
  
  @return One or more VPN connection IDs.</p>
  <p>
  Default: Describes your VPN connections.