package Ġcom . se b astian op igh i . best lyr ics . domain . repositories Ċ Ċ import Ġcom . se b astian op igh i . best lyr ics . domain . models . Album Entity Ċ import Ġio . reactivex . Single ĊĊ Ċ interface ĠAlbum s DataStore Ġ{ ĊĠĠĠ Ġfun Ġget Album ( album Id : ĠInt ): ĠSingle < Album Entity ?> Ċ }