package Ġby ed uck . l unch room . room . service Ċ Ċ import Ġby ed uck . l unch room . domain . Lot tery Ċ import Ġby ed uck . l unch room . domain . Room Ċ Ċ interface ĠRoom Service Ġ{ ĊĠĠĠ Ġfun Ġadd Room ( name : ĠString , Ġowner Id : ĠString , Ġdead lines : ĠDead lines , Ġdefaults : ĠBoolean Ġ= Ġfalse ): ĠRoom ĊĠĠĠ Ġfun Ġfind Room sBy UserId ( userId : ĠString ): ĠMutable List < Room > ĊĠĠĠ Ġfun Ġfind Room ByName ( name : ĠString ): ĠRoom ĊĠĠĠ Ġfun Ġfind Room ByName Like ( name : ĠString ): ĠList < Room > ĊĠĠĠ Ġfun Ġjoin Room ById ( roomId : ĠString , ĠuserId : ĠString ): ĠRoom ĊĠĠĠ Ġfun Ġleave Room ( roomId : ĠString , ĠuserId : ĠString ) ĊĠĠĠ Ġfun Ġdelete Room ( id : ĠString , Ġtoken : ĠString ) ĊĠĠĠ Ġfun Ġupdate Room ( roomId : ĠString , Ġtoken : ĠString , Ġnew Dead lines : ĠDead lines ): ĠRoom ĊĠĠĠ Ġfun Ġdo The Lot tery ( userId : ĠString , Ġroom Id : ĠString , Ġtoken : ĠString ): ĠL ot tery ĊĠĠĠ Ġfun Ġdo The L uck y Shot ( userId : ĠString , Ġroom Id : ĠString , Ġtoken : ĠString ): ĠL ot tery ĊĠĠĠ Ġfun Ġnotify Room Users About User Change ( roomId : ĠString ) ĊĠĠĠ Ġfun Ġget Sum maries ( userId : ĠString , Ġroom Id : ĠString ): ĠList < Summary > Ċ }