package Ġorg . learning . server . repository Ċ Ċ import Ġorg . learning . server . entity . Chapter Ċ import Ġorg . learning . server . entity . Media Ċ import Ġorg . springframework . data . repository . Crud Repository Ċ Ċ interface ĠMedia Repository : ĠCr ud Repository < Media , ĠInt > Ġ{ ĊĠĠĠ Ġfun ĠfindAll By Chapter ( chapter : ĠChapter ): ĠList < Media > ĊĠĠĠ Ġfun ĠfindAll By Chapter OrderBy Index At ( chapter : ĠChapter ): ĠList < Media > Ċ }