docs: @BetaApi
    public final Policy setIamPolicyNodeGroup(
        ProjectZoneNodeGroupResourceName resource,
        ZoneSetPolicyRequest zoneSetPolicyRequestResource) {
  
      SetIamPolicyNodeGroupHttpRequest request =
          SetIamPolicyNodeGroupHttpRequest.newBuilder()
              .setResource(resource == null ? null : resource.toString())
              .setZoneSetPolicyRequestResource(zoneSetPolicyRequestResource)
              .build();
      return setIamPolicyNodeGroup(request);
    }