@startuml hide circle skinparam linetype ortho 'skinparam MinClassWidth 70 skinparam nodesep 60 'skinparam ranksep 10 '' relations '' Client -[norank]> HallService MemberListener <|-[norank]- Client Client "1" -[norank]> "0..*" MemberRole HallService <|-[norank]- Hall MemberListener "0..*" -[norank] "1" Hall Hall -[norank] "0..*" Room Hall "1" -[norank]- "0..*" ControlledMember MemberListener "1" <-[norank]- ControlledMember MemberRole <|-[norank]- ControlledMember Member <|-[norank]- ControlledMember Room "1" <-[norank]- ControlledMember Room -[norank]-> Member Member <|-[norank]- BotMember '' positions '' Client -[hidden] MemberRole MemberListener --[hidden] MemberRole MemberRole --[hidden] Message HallService --[hidden] MemberListener HallService -[hidden] HallFactory HallFactory --[hidden] Hall Hall -[hidden] Room Room --[hidden] Member Member --[hidden] ControlledMember Member --[hidden] BotMember '' object specifications '' interface MemberListener interface MemberRole interface HallService interface Member @enduml Submit amiga aws-orange black-knight bluegray blueprint cerulean-outline cerulean crt-amber crt-green cyborg-outline cyborg hacker lightgray mars materia-outline materia metal mimeograph minty plain reddress-darkblue reddress-darkgreen reddress-darkorange reddress-darkred reddress-lightblue reddress-lightgreen reddress-lightorange reddress-lightred sandstone silver sketchy-outline sketchy spacelab spacelab-white superhero-outline superhero toy united vibrant       🎉 Discover the future PlantUML Web Editor! 🚀  PNG  SVG  ASCII Art