@Override
  public String toString() {
    return MoreObjects.toStringHelper(this)
        .add("New Chain Head Header", newChainHeadHeader)
        .toString();
  }
Constructor for a NewChainHead event

@param newChainHeadHeader The header of the current blockchain head
consensus/common/src/main/java/org/hyperledger/besu/consensus/common/bft/events/NewChainHead.java