package Ġcom . n ave ent p . remote . service Ċ Ċ import Ġcom . n ave ent p . shared . News Details Ċ import Ġio . reactivex . Observable Ċ import Ġretrofit 2 . http . GET Ċ Ċ /** Ċ Ġ* Ġ@ author ĠN ave en ĠT ĠP Ċ Ġ* Ġ@ since Ġ 0 1 / 0 6 / 1 9 Ċ Ġ*/ Ċ interface ĠNews Service Ġ{ ĊĊĠĠĠ Ġ@ GET (" top - head lines ? sources = google - news ") ĊĠĠĠ Ġfun Ġget Top Head lines (): ĠObservable < News Details > Ċ }