package Ġcom . my world . s chat . data . repository Ċ Ċ import Ġcom . my world . s chat . data . entity . Chat Group Photo Ċ import Ġorg . springframework . data . jpa . repository . Jpa Repository Ċ import Ġorg . springframework . stereotype . Repository Ċ import Ġorg . springframework . transaction . annotation . Transactional Ċ Ċ @ Transactional Ċ @ Repository Ċ interface ĠChat Group Photo Repository Ġ: ĠJ pa Repository < Chat Group Photo , ĠString > Ċ