package Ġcom . strings . attached . music library . api . album Ċ Ċ import Ġcom . strings . attached . music library . model . album . Album Detail Ċ import Ġkotlinx . serialization . Serializable Ċ Ċ @ Serializable Ċ data Ġclass ĠAlbum Detail Response ( ĊĠĠĠ Ġval Ġalbum : ĠAlbum Detail ? Ġ= Ġnull , ĊĠĠĠ Ġval Ġerror : ĠString ? Ġ= Ġnull , ĊĠĠĠ Ġval Ġmessage : ĠString ? Ġ= Ġnull , Ċ ) Ċ