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

one use

	github.com/gotd/td/tg (current package)
		tl_input_dialog_peer_slices_gen.go#L247: func (s InputDialogPeerFolderArray) Retain(keep func(x InputDialogPeerFolder) bool) InputDialogPeerFolderArray {