package Ġorg . step ik . android . data . mobile _ ti ers . source Ċ Ċ import Ġio . reactivex . Single Ċ import Ġorg . step ik . android . domain . mobile _ ti ers . model . Mobile Tier Ċ import Ġorg . step ik . android . remote . mobile _ ti ers . model . Mobile Tier Calculation Ċ Ċ interface ĠMobile Ti ers Remote DataSource Ġ{ ĊĠĠĠ Ġfun Ġget Mobile Ti ers ( mobile Tier Calcul ations : ĠList < Mobile Tier Calculation >): ĠSingle < List < Mobile Tier >> Ċ }