package Ġcom . example . t mdb client . domain . use case Ċ Ċ import Ġcom . example . t mdb client . data . model . artist . Artist Ċ import Ġcom . example . t mdb client . domain . repository . Artist Repo ĊĊ Ċ class ĠUpdate Art ists UseCase ( private Ġval Ġartist Repo : ĠArtist Repo ) Ġ{ ĊĊĠĠĠ Ġsuspend Ġfun Ġexecute (): List < Artist >? Ġ= Ġartist Repo . update Artist () Ċ Ċ }