package Ġcom . vl ad isl aw fox . auth . domain . repository Ċ Ċ import Ġcom . vl ad isl aw fox . auth . domain . model . Guest Session Ċ import Ġcom . vl ad isl aw fox . auth . domain . model . Request Token Ċ import Ġcom . vl ad isl aw fox . auth . domain . model . Session Ċ import Ġcom . vl ad isl aw fox . base . domain . exception . Failure Ċ import Ġcom . vl ad isl aw fox . base . domain . functional . Either Ċ Ċ interface ĠAuth Repository Ġ{ ĊĠĠĠ Ġfun Ġget Request Token (): ĠEither < Failure , ĠRequest Token > ĊĠĠĠ Ġfun Ġvalidate Request Token ( username : ĠString , Ġpassword : ĠString , Ġtoken : ĠString ): ĠEither < Failure , ĠRequest Token > ĊĠĠĠ Ġfun Ġget Guest Session (): ĠEither < Failure , ĠGuest Session > ĊĠĠĠ Ġfun Ġget Session ( request Token : ĠString ): ĠEither < Failure , ĠSession > Ċ }