return matchPrefix + prefix
	}
	return ""
}

// genMatchHTTPRoutes build the match rules into struct OverlappingMatchValidationForHTTPRoute
// based on particular HTTPMatchRequest, according to comments on https://github.com/istio/istio/pull/32701
// only support Match's port, method, authority, headers, query params and nonheaders for now.
func genMatchHTTPRoutes(route *networking.HTTPRoute, match *networking.HTTPMatchRequest,