package Ġes . ju and avid ve ga . ticket restaurant log . lib Ċ Ċ import Ġes . ju and avid ve ga . ticket restaurant log . lib . dao . Balance Checker Ċ import Ġes . ju and avid ve ga . ticket restaurant log . lib . dao . Ticket Type Provider Ċ import Ġes . ju and avid ve ga . ticket restaurant log . lib . models . Operation Ċ Ċ class ĠDraw er ( private Ġval Ġticket Type Provider : ĠTicket Type Provider , ĊĠĠĠĠĠĠĠĠĠĠĠĠ Ġprivate Ġval Ġbalance Checker : ĠBalance Checker ) Ġ{ ĊĊĠĠĠ Ġfun Ġdraw ( operations : ĠList < Operation >): ĠOperation Result < Throwable , ĠOperation State > Ġ{ ĊĠĠĠĠĠĠĠ Ġreturn ĠRight ( Operation State . Valid ) ĊĠĠĠ Ġ} Ċ Ċ }