@Override
        public void put(
            final SegmentIdentifier segmentIdentifier, final byte[] key, final byte[] value) {
          // no-op
        }
Instantiates a new RocksDb columnar key value snapshot.

@param db the db
@param metrics the metrics
plugins/rocksdb/src/main/java/org/hyperledger/besu/plugin/services/storage/rocksdb/segmented/RocksDBColumnarKeyValueSnapshot.java