Supported languages are in config.py:
Python, JavaScript, Java, Ruby, PHP, C#, Go, Rust, C++, C++, C++, C, Swift, Objective-C, Kotlin, Scala, Perl, Perl, R, Lua, Groovy, TypeScript, TypeScript, JavaScript, Dart, Elm, Erlang, Elixir, F#, Haskell, Julia, Nim, PHP