public async Task Save(Snapshot snapshot)
{
await env.WriteAsync(txn =>
{
var key = new DirectBuffer(Encoding.UTF8.GetBytes(snapshot.Metadata.EmitterId));
var data = new DirectBuffer(snapshotSerializer.ToBinary(snapshot));
using (var cursor = db.OpenCursor(txn))
{
cursor.Put(ref key, ref data, CursorPutOptions.Current);
}
});
}