Table reKey without copy the Table

I have line that I use split() to form the table.
The key to each element is 1, 2 , … etc.
I would like to use a “name key” to access to the element but I don’t want to copy the table.

For example:

A|B|C|D

After split(“|”)
1 A
2 B
3 C
4 D

You can access the element as t[1]

There is another table that I store the key name that I wanted.

a 1
b 2
c 3
d 4

I would like to have auto-complete to show:

a A
b B
c C
d D

and not

1 A
2 B
3 C
4 D

This will allow me to use a meaningful name for index instead of number.

I have overwrite the following metamethod: __index, __next, __pairs on the table. Everything is working but not auto complete.

No way to do it other than making a new table with a helper function something like this:

function MakeKeyArray(Keys, Values)
   if #Values > #Keys then
      error("Number of values greater than number of keys")
   end
   local R = {}
   for i=1,#Values do
      R[Keys[i]] = Values[i]
   next
   return R
end