github.com/gotd/td/tg.MessageEntityCustomEmojiArray.Retain (method)

one use

	github.com/gotd/td/tg (current package)
		tl_message_entity_slices_gen.go#L1970: func (s MessageEntityCustomEmojiArray) Retain(keep func(x MessageEntityCustomEmoji) bool) MessageEntityCustomEmojiArray {