package Ġjp . gree . tech con . server . entity Ċ Ċ import Ġjp . gree . tech con . server . dao . Book marks Ċ import Ġorg . jetbrains . ex posed . dao . Entity ID Ċ import Ġorg . jetbrains . ex posed . dao . Int Entity Ċ import Ġorg . jetbrains . ex posed . dao . Int Entity Class Ċ Ċ class ĠBook mark ( id : ĠEntity ID < Int >) Ġ: ĠInt Entity ( id ) Ġ{ ĊĠĠĠ Ġcompanion Ġobject Ġ: ĠInt Entity Class < Bookmark >( Book marks ) ĊĊĠĠĠ Ġvar Ġfirebase Uid Ġby ĠBook marks . firebase Uid ĊĠĠĠ Ġvar Ġsession Ġby ĠSession Ġreferenced On ĠBook marks . session Ċ } Ċ