code: func (o *Strategy) SetPreemptiblePercentage(v *int) *Strategy {
  	if o.PreemptiblePercentage = v; o.PreemptiblePercentage == nil {
  		o.nullFields = append(o.nullFields, "PreemptiblePercentage")
  	}
  	return o
  }
docs: // SetPreemptiblePercentage sets the ratio of preemptible instances to use in the group