package Ġsg . gov . tech . secure bio metric app kotlin Ċ Ċ import Ġandroidx . bio metric . Bio metric Prompt Ċ Ċ interface ĠBio metric Listener Ġ{ ĊĠĠĠ Ġfun ĠonSuccess ( result : ĠBio metric Prompt . Authentication Result ?) ĊĠĠĠ Ġfun Ġon Failed () Ċ }