public async IAsyncEnumerable <ApiTransactionSet> ListBurns(
     [Required, FromRoute] Symbol symbol, [FromQuery] ApiCurrencyQueryFilter queryFilter)
 {
     await foreach (var transaction in fundService
                    .ListBurnsAsync(symbol, queryFilter.CurrencyCode)
                    .WithCancellation(scopedCancellationToken.Token))
     {
         yield return(MapTransactionSet(transaction));
     }
 }