defer cancel()
	e, err := c.endpoint(bucket, false)
	if err != nil {
		return newError(bucket, err)
	}
	req, err := http.NewRequestWithContext(ctx, http.MethodPost, e, nil)
	if err != nil {
		return newError(bucket, err)
	}
	if err = c.addAuthHeader(req); err != nil {
		return newError(bucket, err)
	}

	resp, err := c.httpClient.Do(req)
	if err != nil {

	Transport   http.RoundTripper     `json:"-"`
	CloseRespFn func(r io.ReadCloser) `json:"-"`
}

// Validate - validate opa configuration params.
func (a *Args) Validate() error {
	req, err := http.NewRequest(http.MethodPost, a.URL.String(), bytes.NewReader([]byte("")))
	if err != nil {
		return err
	}

	req.Header.Set("Content-Type", "application/json")
	if a.AuthToken != "" {
		req.Header.Set("Authorization", a.AuthToken)
	}

		kmsRouter.Methods(http.MethodGet).Path(version + "/version").HandlerFunc(gz(httpTraceAll(kmsAPI.KMSVersionHandler)))
		// KMS Key APIs
		kmsRouter.Methods(http.MethodPost).Path(version+"/key/create").HandlerFunc(gz(httpTraceAll(kmsAPI.KMSCreateKeyHandler))).Queries("key-id", "{key-id:.*}")

}

func getTokenExpiry() (*credentials.ClientGrantsToken, error) {
	data := url.Values{}
	data.Set("grant_type", "client_credentials")
	req, err := http.NewRequest(http.MethodPost, idpEndpoint, strings.NewReader(data.Encode()))
	if err != nil {
		return nil, err
	}
	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
	req.SetBasicAuth(clientID, clientSecret)
	t := &http.Transport{

	if p.JWKS.URL == nil || p.JWKS.URL.String() == "" {
		return nil, errors.New("openid not configured")
	}

	req, err := http.NewRequestWithContext(ctx, http.MethodPost, p.DiscoveryDoc.UserInfoEndpoint, nil)
	if err != nil {
		return nil, err
	}

	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
	if accessToken != "" {

	values := url.Values{}
	values.Set("client_id", clientID)
	values.Set("client_secret", clientSecret)
	values.Set("grant_type", "client_credentials")

	req, err := http.NewRequest(http.MethodPost, k.oeConfig.TokenEndpoint, strings.NewReader(values.Encode()))
	if err != nil {
		return err
	}
	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")

	resp, err := k.client.Do(req)
	if err != nil {

	CloseRespFn func(r io.ReadCloser)

	RolePolicy string
	RoleARN    arn.ARN
}

// Validate - validate configuration params.
func (a *Args) Validate() error {
	req, err := http.NewRequest(http.MethodPost, a.URL.String(), bytes.NewReader([]byte("")))
	if err != nil {
		return err
	}

	req.Header.Set("Content-Type", "application/json")
	if a.AuthToken != "" {
		req.Header.Set("Authorization", a.AuthToken)

		if testCase.accessKey != "" {
			req, err = newTestSignedRequestV4(http.MethodPost, getDeleteMultipleObjectsURL("", testCase.bucket),
				int64(len(testCase.objects)), bytes.NewReader(testCase.objects), testCase.accessKey, testCase.secretKey, nil)
		} else {
			req, err = newTestRequest(http.MethodPost, getDeleteMultipleObjectsURL("", testCase.bucket),
				int64(len(testCase.objects)), bytes.NewReader(testCase.objects))

	data, err := json.Marshal(event.Log{EventName: eventData.EventName, Key: key, Records: []event.Event{eventData}})
	if err != nil {
		return err
	}

	req, err := http.NewRequest(http.MethodPost, target.args.Endpoint.String(), bytes.NewReader(data))
	if err != nil {
		return err
	}

	// Verify if the authToken already contains
	// <Key> <Token> like format, if this is

		t.Fatal("Unexpected return for nil request")
	}

	u, err := url.Parse("http://localhost:9000/minio/lock")
	if err != nil {
		t.Fatal(err)
	}

	r := &http.Request{
		Proto:  "HTTP/1.0",
		Method: http.MethodPost,
		URL:    u,
	}
	if !guessIsRPCReq(r) {
		t.Fatal("Test shouldn't fail for a possible net/rpc request.")
	}
	r = &http.Request{
		Proto:  "HTTP/1.1",
		Method: http.MethodGet,
		URL:    u,
	}