public Optional<ConsensusRoundIdentifier> getPreparedCertificateRound() {
    return getPreparedCertificate()
        .map(prepCert -> prepCert.getProposalPayload().getPayload().getRoundIdentifier());
  }
Gets prepared certificate round.

@return the prepared certificate round
consensus/ibft/src/main/java/org/hyperledger/besu/consensus/ibft/messagewrappers/RoundChange.java