package Ġcom . cp sc 4 7 1 . t ms . data . repository . users Ċ Ċ import Ġorg . springframework . data . repository . Crud Repository Ċ import Ġorg . springframework . stereotype . Repository Ċ Ċ @ Repository Ċ interface ĠManager Repository Ġ: ĠCr ud Repository < Manager , ĠUser Key >{ ĊĊĠĠĠ Ġfun ĠfindBy User Key Email ( string : ĠString ) Ġ: ĠManager Ċ }