package Ġcom . y app . gil job . domain . sign . repository Ċ Ċ import Ġcom . y app . gil job . domain . user . domain . User Ċ import Ġorg . springframework . data . jpa . repository . Jpa Repository Ċ import Ġorg . springframework . stereotype . Repository Ċ Ċ @ Repository Ċ interface Ġ ĠSign Repository : ĠJ pa Repository < User , ĠLong >{ ĊĠĠĠ Ġfun ĠfindBy Social Id ( social Id : ĠString ): ĠUser ? Ċ }