package Ġcom . jb kal it . data . source . album . remote Ċ Ċ import Ġcom . jb kal it . domain . model . Album Ċ import Ġcom . jb kal it . domain . model . Photo Ċ import Ġio . reactivex . Single Ċ Ċ interface ĠAlbum Remote DataSource Contract Ġ{ ĊĊĠĠĠ Ġfun Ġget Album By UserId ( userId : ĠInt ): ĠSingle < List < Album >> ĊĊĠĠĠ Ġfun Ġget Photo By Album Id ( album Id : ĠInt ): ĠSingle < List < Photo >> Ċ Ċ } Ċ