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

one use

	github.com/gotd/td/tg (current package)
		tl_encrypted_chat_slices_gen.go#L491: func (s EncryptedChatWaitingArray) Retain(keep func(x EncryptedChatWaiting) bool) EncryptedChatWaitingArray {