package Ġas vid . github . io . room app . data . repository Ċ Ċ import Ġio . reactivex . Comp letable Ċ import Ġio . reactivex . Flow able Ċ import Ġio . reactivex . Maybe Ċ import Ġio . reactivex . Single Ċ Ċ interface ĠR xC r ud Repository < M , ĠI > Ġ: ĠRepository < M , ĠI > Ġ{ ĊĠ Ġfun Ġdelete ( model : ĠM ): ĠComp letable ĊĊĠ Ġfun Ġdelete All ( models : ĠCollection < M >): ĠComp letable ĊĊĠ Ġfun Ġfetch All (): ĠFlow able < Collection < M >> ĊĊĠ Ġfun Ġfetch ById ( id : ĠI ): ĠMaybe < M > ĊĊĠ Ġfun Ġsave ( model : ĠM ): ĠSingle < M > ĊĊĠ Ġfun Ġsave All ( models : ĠCollection < M >): ĠSingle < Collection < M >> Ċ } Ċ