@startuml package "CI4" { interface MessageInterface interface OutgoingRequestInterface extends MessageInterface interface RequestInterface extends OutgoingRequestInterface class Message implements MessageInterface class OutgoingRequest extends Message implements OutgoingRequestInterface class Request extends OutgoingRequest implements RequestInterface class IncomingRequest extends Request note top of IncomingRequest an incoming request for HTTP. end note class CLIRequest extends Request note top of CLIRequest an incoming request for CLI. end note class CURLRequest extends OutgoingRequest note top of CURLRequest an outgoing request. end note } @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