package Ġdev . dvd ci ri . sample app . domain . repository Ċ Ċ import Ġdev . dvd ci ri . sample app . domain . model . Comment Ċ import Ġdev . dvd ci ri . sample app . domain . model . Post Ċ import Ġio . reactivex . Single Ċ Ċ interface ĠPost Repository Ġ{ ĊĊĠĠĠ Ġfun Ġget Posts (): ĠSingle < List < Post >> ĊĊĠĠĠ Ġfun Ġget Post ( post Id : ĠInt ): ĠSingle < Post > ĊĊĠĠĠ Ġfun Ġget Comments ( post Id : ĠInt ): ĠSingle < List < Comment >> Ċ }