package Ġcom . mand ay . management . data . datasource Ċ Ċ import Ġandroidx . lifecycle . LiveData Ċ import Ġcom . mand ay . management . data . entities . Employee Entity Ċ Ċ internal Ġinterface ĠEmployee Database DataSource Ġ{ ĊĊĠĠĠ Ġfun Ġlogin ( param 1 : ĠString , Ġparam 2 : ĠString ): ĠLive Data < Employee Entity ?> ? ĊĊĠĠĠ Ġfun Ġget Employees (): ĠLive Data < List < Employee Entity > ?> ? ĊĊĠĠĠ Ġfun Ġadd Employee ( employee : ĠEmployee Entity ): ĠLong ? ĊĊĠĠĠ Ġfun Ġget Employee By Skill ( skill : ĠInt ): ĠLive Data < List < Employee Entity > ?> ? Ċ Ċ }