https://www.playframework.com/documentation/3.0.6/api/java/play/mvc/BodyParser.MaxLengthBodyParser.html
BodyParser.MaxLengthBodyParser (Play 3.0.6)
bodyparserplay
https://raku.land/zef:jonathanstowe/Cro::HTTP::BodyParser::JSONClass/badges
Raku Land - Cro::HTTP::BodyParser::JSONClass
Parse and deserialise application/json HTTP body to a specified JSON::Class
rakulandcrohttpbodyparser