package Ġxyz . t cre op arg h . amt td . ui . group _ user Ċ Ċ import Ġandroidx . lifecycle . Mutable LiveData Ċ import Ġxyz . t cre op arg h . amt td . api . data . I User Ċ import Ġxyz . t cre op arg h . amt td . api . data . I Work Group Ċ import Ġxyz . t cre op arg h . amt td . ui . ViewModel Base Ċ Ċ class ĠGroup User ViewModel Ġ: ĠViewModel Base () Ġ{ ĊĠĠĠ Ġval Ġdirty Ġ= ĠMutable LiveData ( false ) ĊĠĠĠ Ġval Ġusers Ġ= ĠMutable LiveData < List < I User >? >( null ) ĊĠĠĠ Ġval Ġwork Group Ġ= ĠMutable LiveData < I Work Group ? >( null ) Ċ }