package Ġcom . example . my application . features . main Ċ Ċ import Ġandroidx . lifecycle . LiveData Ċ Ċ interface ĠMainActivity View States Ġ{ ĊĊĠĠĠ Ġfun Ġwelcome ( username : ĠString ) ĊĊĠĠĠ Ġfun Ġsave Welcome Username ( username : ĠString ) Ċ }