package Ġdev . yun z ai . m ili brary . data Ċ Ċ import Ġdev . yun z ai . m ili brary . data . model . Bookmark Ċ import Ġdev . yun z ai . m ili brary . data . model . Bookmark List Ċ import Ġio . reactivex . rx java 3 . core . Comp letable Ċ import Ġio . reactivex . rx java 3 . core . Single Ċ Ċ interface ĠBook Mark DataSource Ġ{ ĊĠĠĠ Ġfun Ġcreate Book Mark ( book Id : ĠInt ): ĠComp letable ĊĊĠĠĠ Ġfun Ġget Bookmark ( book Id : ĠInt ): ĠSingle < Bookmark > ĊĊĠĠĠ Ġfun Ġdelete My Book Mark ( bookmark Id : ĠInt ): ĠComp letable ĊĊĠĠĠ Ġfun Ġedit My Book Mark ( bookmark Id : ĠInt , Ġbookmark : ĠBook mark ): ĠComp letable ĊĊĠĠĠ Ġfun Ġget My All Book Mark (): ĠSingle < Bookmark List > Ċ } Ċ