tooot/src/@types/app.d.ts

declare namespace App {
  type Pages =
    | 'Following'
    | 'Local'
    | 'LocalPublic'
    | 'Explore'
    | 'Notifications'
    | 'Hashtag'
    | 'List'
    | 'Toot'
    | 'Account'
    | 'Conversations'
    | 'Bookmarks'
    | 'Favourites'
}