package Ġcom . sum era . arg allery . ui . feature . picture details . contract Ċ Ċ import Ġcom . sum era . k ore actor . reactor . data . M vi Action Ċ Ċ sealed Ġclass ĠPicture Details Actions Ġ: ĠM vi Action < Picture Details State > Ċ Ċ data Ġclass ĠOn Picture Changed ( val Ġnew Picture Index : ĠInt ) Ġ: ĠPicture Details Actions ()