/// <inheritdoc/> public async Task <QBPriceLevelCollection <T> > GetPriceLevels <T>() { await OpenConnection(); IMsgSetRequest request = CreateRequest(); request.AppendPriceLevelQueryRq(); IMsgSetResponse queryResponse = await MakeRequestAsync(request).ConfigureAwait(false); CloseConnection(); return(ProcessQueryAsXML <QBPriceLevelCollection <T> >(queryResponse, "PriceLevelQueryRs")); }