sourceafJson::JsonConverter.fan
** Implement to define a custom Fantom Obj '<->' JsonObj converter.@Js const mixin JsonConverter {** Converts the given 'entity' to its JSON representation.abstract Obj? toJsonObj(JsonConverterCtx ctx, Obj? entity)** Converts the given 'jsonObj' to a Fantom entity.abstract Obj? toFantom(JsonConverterCtx ctx, Obj? jsonObj) }