How to make TOML insensitive mapped to Model

[TopIceman]

I would like to ask how I make the Toml file case insensitive.

If I have toml fil:

[[keys]]
value = 'value'
[[Keys]]
Value = 'value2'

How do I ignore the case from Toml to model

class MyModel {
   IList<string> Keys {get;set;}
}