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

one use

	github.com/gotd/td/tg (current package)
		tl_chat_slices_gen.go#L995: func (s ChannelForbiddenArray) Retain(keep func(x ChannelForbidden) bool) ChannelForbiddenArray {