package Ġcom . to mp ee . kotlin builder . models Ċ Ċ import Ġcom . to mp ee . kotlin builder . annotations . K Builder Ċ import Ġcom . to mp ee . kotlin builder . annotations . Optional Ċ import Ġcom . to mp ee . kotlin builder . annotations . Setter Ċ Ċ @ K Builder (" Custom Factory ") Ċ class ĠCustom Name ( ĊĠĠĠ Ġ@ Setter (" setName ") ĊĠĠĠ Ġval Ġname Ġ: ĠString , ĊĊĠĠĠ Ġ@ Setter (" set Age ") ĊĠĠĠ Ġ@ Optional ĊĠĠĠ Ġage : ĠInt Ċ )