code: func (c *CertAuthorityV2) V1() *CertAuthorityV1 {
  	return &CertAuthorityV1{
  		Type:         c.Spec.Type,
  		DomainName:   c.Spec.ClusterName,
  		CheckingKeys: c.Spec.CheckingKeys,
  		SigningKeys:  c.Spec.SigningKeys,
  	}
  }
docs: // V1 returns V1 version of the object