private void close() {
    innerTx.close();
    options.close();
  }
Instantiates a new RocksDb transaction.

@param columnFamilyMapper mapper from segment identifier to column family handle
@param innerTx the inner tx
@param options the options
@param metrics the metrics
plugins/rocksdb/src/main/java/org/hyperledger/besu/plugin/services/storage/rocksdb/RocksDBTransaction.java