code: func (o *CustomInstance) SetVCPU(v *int) *CustomInstance {
  	if o.VCPU = v; o.VCPU == nil {
  		o.nullFields = append(o.nullFields, "VCPU")
  	}
  	return o
  }
docs: // SetVCPU sets sets the number of vCPUs to use in a Custom instance type