package Ġnet . helper Ċ Ċ import Ġnet . api . History Service Ċ import Ġnet . build Service Ċ import Ġnet . model . Listing Ċ import Ġretrofit 2 . Response Ċ Ċ private Ġval Ġhistory : ĠHistory Service Ġby Ġlazy Ġ{ ĊĠĠĠ Ġbuild Service ( History Service :: class . java , Ġis Using Oauth Ġ= Ġtrue ) Ċ } Ċ Ċ suspend Ġfun Ġfetch Saved ( authorization : ĠString , Ġusername : ĠString ): ĠResponse < Listing > Ġ= ĊĠĠĠ Ġhistory . fetch Saved ( authorization , Ġusername ) Ċ Ċ suspend Ġfun Ġfetch Saved ( authorization : ĠString , Ġusername : ĠString , Ġnext Anchor : String ): ĠResponse < Listing > Ġ= ĊĠĠĠ Ġhistory . fetch Saved ( authorization , Ġusername , Ġnext Anchor Ġ= Ġnext Anchor )