}

	return url.String()
}

// rewriteHTML scans the HTML for tags with url-valued attributes, and updates
// those values with the urlRewriter function. The updated HTML is output to the
// writer.
func rewriteHTML(reader io.Reader, writer io.Writer, urlRewriter func(*url.URL) string) error {
	// Note: This assumes the content is UTF-8.
	tokenizer := html.NewTokenizer(reader)

	var err error
	for err == nil {

apiVersion: gateway.networking.k8s.io/v1beta1
kind: HTTPRoute
metadata:
  name: http-filter-rewrite
spec:
  hostnames:
    - rewrite.example
  rules:
    - filters:
        - type: URLRewrite
          urlRewrite:
            hostname: elsewhere.example
      backendRefs:
        - name: example-svc
          weight: 1

spec:
  hostnames:
    - rewrite.example
  rules:
    - matches:
        - path:
            type: PathPrefix
            value: /cardamom
      filters:
        - type: URLRewrite
          urlRewrite:
            hostname: elsewhere.example
            path:
              type: ReplaceFullPath
              replaceFullPath: /fennel
      backendRefs:
        - name: example-svc
          weight: 1

    filters:
    - type: URLRewrite
      urlRewrite:
        path:
          type: ReplacePrefixMatch
          replacePrefixMatch: ""
    backendRefs:
    - name: httpbin
      port: 80
  - matches:
    - path:
        type: PathPrefix
        value: /full-original
    name: full-path-rewrite
    filters:
    - type: URLRewrite
      urlRewrite:
        hostname: "new.example.com"

  namespace: gateway-api-example-ns1
spec:
  parentRefs:
  - name: my-filter-gateway
    sectionName: http
  hostnames:
  - my-filter.example.com
  rules:
  - filters:
    - type: URLRewrite
      urlRewrite:
        path:
          type: ReplaceFullPath

apiVersion: gateway.networking.k8s.io/v1beta1
kind: HTTPRoute
metadata:
  name: http-filter-rewrite
spec:
  hostnames:
    - rewrite.example
  rules:
    - filters:
        - type: URLRewrite
          urlRewrite:
            hostname: elsewhere.example
            path:
              type: ReplacePrefixMatch
              replacePrefixMatch: /fennel
      backendRefs:
        - name: example-svc

                        - message: filter.urlRewrite must be nil if the filter.type
                            is not URLRewrite
                          rule: '!(has(self.urlRewrite) && self.type != ''URLRewrite'')'
                        - message: filter.urlRewrite must be specified for URLRewrite
                            filter.type
                          rule: '!(!has(self.urlRewrite) && self.type == ''URLRewrite'')'

                        - message: filter.urlRewrite must be nil if the filter.type
                            is not URLRewrite
                          rule: '!(has(self.urlRewrite) && self.type != ''URLRewrite'')'
                        - message: filter.urlRewrite must be specified for URLRewrite
                            filter.type
                          rule: '!(!has(self.urlRewrite) && self.type == ''URLRewrite'')'

			if err != nil {
				return nil, err
			}
			vs.Mirrors = append(vs.Mirrors, mirror)
		case k8s.HTTPRouteFilterURLRewrite:
			vs.Rewrite = createRewriteFilter(filter.URLRewrite)
		default:
			return nil, &ConfigError{
				Reason:  InvalidFilter,
				Message: fmt.Sprintf("unsupported filter type %q", filter.Type),
			}
		}
	}

	if r.Timeouts != nil {