@Override
  public void fireNewUnverifiedForkchoiceEvent(
      final Hash headBlockHash, final Hash safeBlockHash, final Hash finalizedBlockHash) {
    postMergeContext.fireNewUnverifiedForkchoiceEvent(
        headBlockHash, safeBlockHash, finalizedBlockHash);
  }
Instantiates a new Transition context.

@param preMergeContext the pre merge context
@param postMergeContext the post merge context
consensus/merge/src/main/java/org/hyperledger/besu/consensus/merge/TransitionContext.java