code: @BetaApi
    public final Operation disableXpnHostProject(ProjectName project) {
  
      DisableXpnHostProjectHttpRequest request =
          DisableXpnHostProjectHttpRequest.newBuilder()
              .setProject(project == null ? null : project.toString())
              .build();
      return disableXpnHostProject(request);
    }
docs: Disable this project as a shared VPC host project.
  
  <p>Sample code:
  
  <pre><code>
  try (ProjectClient projectClient = ProjectClient.create()) {
  ProjectName project = ProjectName.of("[PROJECT]");
  Operation response = projectClient.disableXpnHostProject(project);
  }
  </code></pre>
  
  @param project Project ID for this request.
  @throws com.google.api.gax.rpc.ApiException if the remote call fails