// TODO this only makes sense in context of a chain... do we need a way to give it context
			return []string{"ANY"}, true
		}
	case *matcher.Matcher_OnMatch_Matcher:
		ms, f := recurse(name, v.Matcher)
		if !f {
			return []string{"NONE"}, true
		}
		return ms, true
	}
	// TODO support list
	n := match.GetMatcherTree().GetInput().GetName()

	var m map[string]*matcher.Matcher_OnMatch