docs: @BetaApi
    public final Operation setNamedPortsRegionInstanceGroup(
        ProjectRegionInstanceGroupName instanceGroup,
        RegionInstanceGroupsSetNamedPortsRequest regionInstanceGroupsSetNamedPortsRequestResource) {
  
      SetNamedPortsRegionInstanceGroupHttpRequest request =
          SetNamedPortsRegionInstanceGroupHttpRequest.newBuilder()
              .setInstanceGroup(instanceGroup == null ? null : instanceGroup.toString())
              .setRegionInstanceGroupsSetNamedPortsRequestResource(
                  regionInstanceGroupsSetNamedPortsRequestResource)
              .build();
      return setNamedPortsRegionInstanceGroup(request);
    }