code: function(oTable, sColumnId) {
  			TableColumnUtils.initColumnUtils(oTable);
  			var oSourceColumnMapItem = oTable._oColumnInfo.columnMap[sColumnId];
  			if (!oSourceColumnMapItem) {
  				Log.error("Column with ID '" + sColumnId + "' not found", oTable);
  			} else {
  				return oSourceColumnMapItem;
  			}
  		}
docs: Get the column map item for the column identified by <code>sColumnId</code>.
  
  @param {sap.ui.table.Table} oTable Instance of the table.
  @param {string} sColumnId ID of the column.
  @returns {ColumnMapItem | undefined} Column map item with detailed column information.
  @private