package Ġcom . example . navigator Ċ Ċ import Ġandroidx . navigation . Nav Options Builder Ċ import Ġkotlinx . coroutines . flow . Flow Ċ Ċ interface ĠNavigator Ġ{ ĊĊĠĠĠ Ġfun Ġnavigate Up (): ĠBoolean ĊĠĠĠ Ġfun Ġnavigate ( route : ĠString , Ġbuilder : ĠNav Options Builder . () Ġ-> ĠUnit Ġ= Ġ{ Ġlaunch Single Top Ġ= Ġtrue Ġ}): ĠBoolean ĊĠĠĠ Ġval Ġdest inations : ĠFlow < Navigator Event > Ċ }