In case you want to try an alternative JSON (de)serialization library for #Kotlin, Kondor https://github.com/uberto/kondor-json by @ramtop is great. No annotation magic, just functions explicitly defining the mapping. No external dependencies. As fast as Jackson.
GitHub - uberto/kondor-json: A library to serialize/deserialize Json fast and safely without reflection or generators

A library to serialize/deserialize Json fast and safely without reflection or generators - uberto/kondor-json

GitHub
@ramtop @dkandalov It’s a great library and especially useful when you need to select a format dynamically, via HTTP content negotiation or version info within a file, for example.
@ramtop @dkandalov Which, given enough time, is always.