     func index(ofColumn name: String) -> Int? {
         let lowercaseName = name.lowercased()
         return columnNames.index { $0.lowercased() == lowercaseName }
+    }
+    
+    func copiedRow(_ row: Row) -> Row {
+        return row
     }
 }
 

    func index(ofColumn name: String) -> Int? {
        return nil
    }
}

        let lowercaseName = name.lowercased()
        return columns.index { (column, _) in column.lowercased() == lowercaseName }
    }
    
    func copiedRow(_ row: Row) -> Row {
        return row
    }
}


