code: func SerializeSCTList(sctList []ct.SignedCertificateTimestamp) ([]byte, error) {
  	list := ctx509.SignedCertificateTimestampList{}
  	for _, sct := range sctList {
  		sctBytes, err := cttls.Marshal(sct)
  		if err != nil {
  			return nil, err
  		}
  		list.SCTList = append(list.SCTList, ctx509.SerializedSCT{Val: sctBytes})
  	}
  	return cttls.Marshal(list)
  }
docs: // SerializeSCTList serializes a list of SCTs.