package Ġcom . alex zh . order coffee . ui . navigation Ċ Ċ sealed Ġclass ĠScreen ( val Ġroute : ĠString ) Ġ{ ĊĠĠĠ Ġobject ĠHome Ġ: ĠScreen (" Home ") ĊĠĠĠ Ġobject ĠOrder Summary Ġ: ĠScreen (" Success ") Ċ }