docs: public DescribeVpnConnectionsRequest withVpnConnectionIds(String... vpnConnectionIds) {
          if (this.vpnConnectionIds == null) {
              setVpnConnectionIds(new com.amazonaws.internal.SdkInternalList<String>(vpnConnectionIds.length));
          }
          for (String ele : vpnConnectionIds) {
              this.vpnConnectionIds.add(ele);
          }
          return this;
      }