docs: public VpnConnection withVgwTelemetry(VgwTelemetry... vgwTelemetry) {
          if (this.vgwTelemetry == null) {
              setVgwTelemetry(new com.amazonaws.internal.SdkInternalList<VgwTelemetry>(vgwTelemetry.length));
          }
          for (VgwTelemetry ele : vgwTelemetry) {
              this.vgwTelemetry.add(ele);
          }
          return this;
      }