public static List <AssetData> RetrieveAssetData(string blockId, List <Block> blocks)
        {
            //Create a new TableToolbox with the blocks returned by AWS Textract
            TableToolbox tableToolbox = new TableToolbox(blocks);

            //Filter the Toolbox to only remember the blocks that are descendants of the Table
            tableToolbox.FilterToChildren(blockId);
            //Build the lookup dictionary for the relevant blocks
            tableToolbox.BuildBlockLookup();
            //Build an [x,y] 2-Dimensional array of the Table's Cells
            tableToolbox.ConstructTable(blockId);



            return(FindAssetsInTable(tableToolbox));
        }
        private static List <AssetData> FindAssetsInTable(TableToolbox tableToolbox)
        {
            //Navigate the cells of the table to find column indexes for the information that must be located by matching a header string
            int[] assetIndex = tableToolbox.FindIndex(new List <string>()
            {
                "asset", "holding", "assets", "holdings"
            });
            int[] quantityIndex = tableToolbox.FindIndex(new List <string>()
            {
                "quantity", "amount", "#", "quan"
            });

            //If there is not an index for assets (assetColumnIndex has -1 as x coordinate), return empty list;
            if (assetIndex[0] == -1)
            {
                return(new List <AssetData>());
            }

            //Else, iterate through each row in the table and add assets to the list
            List <AssetData> assets = new List <AssetData>();

            for (int row = 0; row < tableToolbox.Table.GetLength(1); row++)
            {
                //Evaluate if the row contains a valid asset
                try
                {
                    //Get all text from the cell at index (x,y) in the assumed quantity column
                    string quantityString = tableToolbox.GetAllTextFromCell(quantityIndex[0], row);
                    //Strip quantityString's decimal place (Round down)
                    quantityString = quantityString.Substring(0, quantityString.IndexOf('.'));
                    //Attempt to convert the string to an int
                    var quantity = int.Parse(quantityString);

                    assets.Add(new AssetData(
                                   tableToolbox.GetAllTextFromCell(assetIndex[0], row),
                                   quantity));
                }
                catch
                {
                    // ignored exceptions, catch will assume failures to execute above code as indication of a non-valid asset
                }
            }

            return(assets);
        }