@statechannels/server-wallet > EngineInterfaceEngineInterface interface#Signature:Copyexport interface EngineInterface Methods#MethodDescriptionchallenge(channelId)closeChannel(args)crank(channelIds)createChannels(args, numberOfChannels)getChannels()getState(args)joinChannels(channelIds)pushMessage(m)pushUpdate(m)syncChannel(args)syncChannels(chanelIds)updateChannel(args)