public boolean isExpired(final SnapDataRequest request) {
    return getPivotBlockHeader()
        .map(SealableBlockHeader::getStateRoot)
        .filter(hash -> hash.equals(request.getRootHash()))
        .isEmpty();
  }
Represents the state of the SnapSync process, including the current progress, healing status, and
other relevant information.
ethereum/eth/src/main/java/org/hyperledger/besu/ethereum/eth/sync/snapsync/SnapSyncProcessState.java