jsonexample/web/index.html
null_safety/null_safe_app/web/index.html

jsonexample/web/index.html
null_safety/null_unsafe_app/web/index.html

jsonexample/ios/Runner/AppDelegate.swift
null_safety/null_safe_app/ios/Runner/AppDelegate.swift

jsonexample/ios/Runner/AppDelegate.swift
null_safety/null_unsafe_app/ios/Runner/AppDelegate.swift