code: @BetaApi
    public final Operation setUrlMapTargetHttpsProxy(
        ProjectTargetHttpsProxyName targetHttpsProxy, UrlMapReference urlMapReferenceResource) {
  
      SetUrlMapTargetHttpsProxyHttpRequest request =
          SetUrlMapTargetHttpsProxyHttpRequest.newBuilder()
              .setTargetHttpsProxy(targetHttpsProxy == null ? null : targetHttpsProxy.toString())
              .setUrlMapReferenceResource(urlMapReferenceResource)
              .build();
      return setUrlMapTargetHttpsProxy(request);
    }
docs: Changes the URL map for TargetHttpsProxy.
  
  <p>Sample code:
  
  <pre><code>
  try (TargetHttpsProxyClient targetHttpsProxyClient = TargetHttpsProxyClient.create()) {
  ProjectTargetHttpsProxyName targetHttpsProxy = ProjectTargetHttpsProxyName.of("[PROJECT]", "[TARGET_HTTPS_PROXY]");
  UrlMapReference urlMapReferenceResource = UrlMapReference.newBuilder().build();
  Operation response = targetHttpsProxyClient.setUrlMapTargetHttpsProxy(targetHttpsProxy, urlMapReferenceResource);
  }
  </code></pre>
  
  @param targetHttpsProxy Name of the TargetHttpsProxy resource whose URL map is to be set.
  @param urlMapReferenceResource
  @throws com.google.api.gax.rpc.ApiException if the remote call fails