override fun put(
        uri: URI?,
        responseHeaders: MutableMap<String, MutableList<String>>?,
      ) = TODO()

      override fun get(
        uri: URI?,
        requestHeaders: MutableMap<String, MutableList<String>>?,
      ): MutableMap<String, MutableList<String>> = TODO()
    }
  }

  private fun newInterceptorChain(): Interceptor.Chain {

			TokenRequestTimeout: 10 * time.Second,
			WebhookRetryBackoff: apiserveroptions.DefaultAuthWebhookRetryBackoff(),
			ClientCert:          apiserveroptions.ClientCertAuthenticationOptions{},
			RequestHeader: apiserveroptions.RequestHeaderAuthenticationOptions{
				UsernameHeaders:     []string{"x-remote-user"},
				GroupHeaders:        []string{"x-remote-group"},
				ExtraHeaderPrefixes: []string{"x-remote-extra-"},
			},

								Value: "literal-value",
							},
						},
					},
					{
						Tag: "custom_tag_request_header",
						Type: &tracing.CustomTag_RequestHeader{
							RequestHeader: &tracing.CustomTag_Header{
								Name:         "custom_tag_request_header_name",
								DefaultValue: "custom-defaulted-value-request-header",
							},
						},
					},
				}, customTracingTags()...),

                            required:
                            - name
                            type: object
                          header:
                            description: RequestHeader adds the value of an header
                              from the request to each span.
                            properties:
                              defaultValue:

                            required:
                            - name
                            type: object
                          header:
                            description: RequestHeader adds the value of an header
                              from the request to each span.
                            properties:
                              defaultValue:

* Adding metrics support to local volume ([#49598](https://github.com/kubernetes/kubernetes/pull/49598), [@sbezverk](https://github.com/sbezverk))
* Bug fix: Parsing of `--requestheader-group-headers` in requests should be case-insensitive. ([#49219](https://github.com/kubernetes/kubernetes/pull/49219), [@jmillikin-stripe](https://github.com/jmillikin-stripe))