+export type ActivityVideoFileMetadataUrlObject = {
+ type: 'Link'
+ rel: [ 'metadata', any ]
+ mediaType: 'application/json'
+ height: number
+ href: string
+ fps: number
+}
+
+export type ActivityTrackerUrlObject = {
+ type: 'Link'
+ rel: [ 'tracker', 'websocket' | 'http' ]
+ name: string
+ href: string
+}
+
+export type ActivityStreamingPlaylistInfohashesObject = {