package Ġdev . lun ar coffee . bl azel ight . model . internal . users . im Ċ Ċ import Ġdev . lun ar coffee . bl azel ight . model . internal . std . Date able Ċ import Ġdev . lun ar coffee . bl azel ight . model . internal . std . Ident ifiable Ċ Ċ interface ĠIM Data < T Ġ: ĠIM Message > Ġ: ĠDate able , ĠIdent ifiable Ġ{ ĊĠĠĠ Ġval Ġmessages : ĠMutable List < T > ĊĊĠĠĠ Ġval Ġauthor Id : ĠLong ĊĠĠĠ Ġval Ġrecipient Id : ĠLong Ċ } Ċ