public void notifyTrieNodesHealed(final long nbNodes) {
    this.nbTrieNodesHealed.getAndAdd(nbNodes);
    print(HEAL_TRIE);
  }
Represents the number of trie nodes healed during the healing process.
ethereum/eth/src/main/java/org/hyperledger/besu/ethereum/eth/sync/snapsync/SnapSyncMetricsManager.java