@Override
  public void reset() {
    super.reset();
    prioritizedTransactionsStaticRange.clear();
    prioritizedTransactionsDynamicRange.clear();
  }
See this post for an explainer about these data structures:
https://hackmd.io/@adietrichs/1559-transaction-sorting
ethereum/eth/src/main/java/org/hyperledger/besu/ethereum/eth/transactions/sorter/BaseFeePendingTransactionsSorter.java