PSA: Do not use private APIs, request a feature instead

[Eiji]

@josevalim: Please take a look at @lexmag response:

@lexmag

I recommend checking ExUnit.Diff module to see what we do for maps and other data types. In particular, for maps we use O(N) algorithm there.

It was written in almost 2 years ago and still ExUnit.Diff has no public API. It would be helpful if you will be able to change it.