fix: typings for this-polymorphism of collections (#3472)
fix: typings for this-polymorphism of collections (#3472)

* Fix typings for this-polymorphism of collections

* Update index.d.ts


Co-authored-by: Crawl <199f4712477b3d83a9e73baa95addb87192ad5b7@gmail.com>
SpaceEEC/discord.js,SpaceEEC/discord.js,SpaceEEC/discord.js