for _, kind := range l.AllowedRoutes.Kinds {
				if routeGroupKindEqual(s, kind) {
					intersection = append(intersection, s)
					break
				}
			}
		}
		return intersection, len(intersection) == len(l.AllowedRoutes.Kinds)
	}
	return supported, true
}

// This and the following function really belongs in some gateway-api lib
func routeGroupKindEqual(rgk1, rgk2 k8s.RouteGroupKind) bool {