package Ġorg . opp ia . app . topic . practice Ċ Ċ /** ĠInterface Ġto Ġupdate Ġthe Ġselected Sub topic List Ġin Ġ[ Topic Pract ice Fragment Presenter ]. Ġ*/ Ċ interface ĠSub topic Selector Ġ{ ĊĠ Ġ/** ĠThis Ġsub topic Ġand Ġskill Ġwill Ġget Ġadded Ġto Ġselected Sub topic List Ġin Ġ[ Topic Pract ice Fragment Presenter ]. Ġ*/ ĊĠ Ġfun Ġsub topic Selected ( sub topic Id : ĠString , Ġskill IdList : ĠMutable List < String >) ĊĊĠ Ġ/** ĠThis Ġsub topic Ġand Ġskill Ġwill Ġget Ġremoved Ġfrom Ġselected Sub topic List Ġin Ġ[ Topic Pract ice Fragment Presenter ]. Ġ*/ ĊĠ Ġfun Ġsub topic Un selected ( sub topic Id : ĠString , Ġskill IdList : ĠMutable List < String >) Ċ } Ċ