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

one use

	github.com/gotd/td/tg (current package)
		tl_contacts_blocked_slices_gen.go#L247: func (s ContactsBlockedSliceArray) Retain(keep func(x ContactsBlockedSlice) bool) ContactsBlockedSliceArray {