[REQ] [Java-okhttpgson]: Make API response headers case insensitve
Created by: saigiridhar21
Is your feature request related to a problem? Please describe.
As HTTP headers are case insensitive, it is better to make API response's header map as case insensitive. This is a good to have feature.
Describe the solution you'd like
TreeMap supports usage of comparer. So, we can use TreeMap for API response's headers