Rework authentication system

src/auth/event/UserFlushedEvent.ts

@@ -1,27 +1,6 @@
-import {Event} from '../../event/Event'
-import {SecurityContext} from '../SecurityContext'
-import {Awaitable, JSONState} from '../../util'
-import {Authenticatable} from '../types'
+import {AuthenticationEvent} from './AuthenticationEvent'
 
 /**
  * Event fired when a user is unauthenticated.
  */
-export class UserFlushedEvent extends Event {
-    constructor(
-        public readonly user: Authenticatable,
-        public readonly context: SecurityContext,
-    ) {
-        super()
-    }
-
-    async dehydrate(): Promise<JSONState> {
-        return {
-            user: await this.user.dehydrate(),
-            contextName: this.context.name,
-        }
-    }
-
-    rehydrate(state: JSONState): Awaitable<void> {  // eslint-disable-line @typescript-eslint/no-unused-vars
-        // TODO fill this in
-    }
-}
+export class UserFlushedEvent extends AuthenticationEvent {}