docs: @BetaApi
    public final Operation deleteTargetHttpProxy(ProjectGlobalTargetHttpProxyName targetHttpProxy) {
  
      DeleteTargetHttpProxyHttpRequest request =
          DeleteTargetHttpProxyHttpRequest.newBuilder()
              .setTargetHttpProxy(targetHttpProxy == null ? null : targetHttpProxy.toString())
              .build();
      return deleteTargetHttpProxy(request);
    }