webapp

 info

graph TD;
 A-->B;
 A-->C;
 B-->D;
 C-->D;

classDiagram
Actor <|-- Inbox: receive
Actor : Inbox
Actor : Outbox
Actor : Followers
Actor : Follows
Inbox : get
Inbox : post
Outbox <|-- Actor: publish
Outbox : Collection[] activities
Likes <|-- Actor: like