@Override
  public int hashCode() {
    return Objects.hash(sequence, round);
  }
Comparator for round identifiers to achieve ordering

@param v The round to compare this one to
@return a negative integer, zero, or a positive integer as this object is less than, equal to,
    or greater than the specified object.
consensus/common/src/main/java/org/hyperledger/besu/consensus/common/bft/ConsensusRoundIdentifier.java