@Override
  public Optional<WorldUpdater> parentUpdater() {
    if (world instanceof WorldUpdater worldUpdater) {
      return Optional.of(worldUpdater);
    } else {
      return Optional.empty();
    }
  }
The world view on top of which this buffer updates.

@return The world view on top of which this buffer updates.
evm/src/main/java/org/hyperledger/besu/evm/worldstate/AbstractWorldUpdater.java