@Override
  public int hashCode() {
    return Objects.hash(besuBlock, qbftBlockHeader);
  }
Returns the Besu Block associated with this QbftBlock. Used to convert a QbftBlock back to a
Besu block.

@return the Besu Block
consensus/qbft/src/main/java/org/hyperledger/besu/consensus/qbft/adaptor/QbftBlockAdaptor.java