private SynchronizerConfiguration buildSyncConfig() {
    return unstableSynchronizerOptions
        .toDomainObject()
        .syncMode(syncMode)
        .syncMinimumPeerCount(syncMinPeerCount)
        .build();
  }
Get the storage provider

@return the storage provider
app/src/main/java/org/hyperledger/besu/cli/BesuCommand.java