func NewRetrieveShippingLabelRequestWithBody(endpoint string, shipmentId string, trackingId string, contentType string, body io.Reader) (*http.Request, error) {
	var err error
	var pathParam0 string
	pathParam0, err = runtime.StyleParam("simple", false, "shipmentId", shipmentId)
	if err != nil {
		return nil, err
	}
	var pathParam1 string
	pathParam1, err = runtime.StyleParam("simple", false, "trackingId", trackingId)
	if err != nil {
		return nil, err
	}
	queryUrl, err := url.Parse(endpoint)
	if err != nil {
		return nil, err
	}
	basePath := fmt.Sprintf("/shipping/v1/shipments/%s/containers/%s/label", pathParam0, pathParam1)
	if basePath[0] == '/' {
		basePath = basePath[1:]
	}
	queryUrl, err = queryUrl.Parse(basePath)
	if err != nil {
		return nil, err
	}
	req, err := http.NewRequest("POST", queryUrl.String(), body)
	if err != nil {
		return nil, err
	}
	req.Header.Add("Content-Type", contentType)
	return req, nil
}
NewRetrieveShippingLabelRequestWithBody generates requests for RetrieveShippingLabel with any type of body
package shipping
import (
	"bytes"
	"context"
	"encoding/json"
	"fmt"
	"io"
	"io/ioutil"
	"net/http"
	"net/url"
	runt "runtime"
	"strings"
	"gopkg.me/selling-partner-api-sdk/pkg/runtime"
)
type RequestBeforeFn func(ctx context.Context, req *http.Request) error
type ResponseAfterFn func(ctx context.Context, rsp *http.Response) error
type HttpRequestDoer interface {
	Do(req *http.Request) (*http.Response, error)
}
type Client struct {
	Endpoint string
	Client HttpRequestDoer
	RequestBefore RequestBeforeFn
	ResponseAfter ResponseAfterFn
	UserAgent string
}
type ClientOption func(*Client) error
func NewClient(endpoint string, opts ...ClientOption) (*Client, error) {
	client := Client{
		Endpoint: endpoint,
	}
	for _, o := range opts {
		if err := o(&client); err != nil {
			return nil, err
		}
	}
	if !strings.HasSuffix(client.Endpoint, "/") {
		client.Endpoint += "/"
	}
	if client.Client == nil {
		client.Client = http.DefaultClient
	}
	if client.UserAgent == "" {
		client.UserAgent = fmt.Sprintf("selling-partner-api-sdk/v1.0 (Language=%s; Platform=%s-%s)", strings.Replace(runt.Version(), "go", "go/", -1), runt.GOOS, runt.GOARCH)
	}
	return &client, nil
}
func WithHTTPClient(doer HttpRequestDoer) ClientOption {
	return func(c *Client) error {
		c.Client = doer
		return nil
	}
}
func WithUserAgent(userAgent string) ClientOption {
	return func(c *Client) error {
		c.UserAgent = userAgent
		return nil
	}
}
func WithRequestBefore(fn RequestBeforeFn) ClientOption {
	return func(c *Client) error {
		c.RequestBefore = fn
		return nil
	}
}
func WithResponseAfter(fn ResponseAfterFn) ClientOption {
	return func(c *Client) error {
		c.ResponseAfter = fn
		return nil
	}
}
type ClientInterface interface {
	GetAccount(ctx context.Context) (*http.Response, error)
	PurchaseShipmentWithBody(ctx context.Context, contentType string, body io.Reader) (*http.Response, error)
	PurchaseShipment(ctx context.Context, body PurchaseShipmentJSONRequestBody) (*http.Response, error)
	GetRatesWithBody(ctx context.Context, contentType string, body io.Reader) (*http.Response, error)
	GetRates(ctx context.Context, body GetRatesJSONRequestBody) (*http.Response, error)
	CreateShipmentWithBody(ctx context.Context, contentType string, body io.Reader) (*http.Response, error)
	CreateShipment(ctx context.Context, body CreateShipmentJSONRequestBody) (*http.Response, error)
	GetShipment(ctx context.Context, shipmentId string) (*http.Response, error)
	CancelShipment(ctx context.Context, shipmentId string) (*http.Response, error)
	RetrieveShippingLabelWithBody(ctx context.Context, shipmentId string, trackingId string, contentType string, body io.Reader) (*http.Response, error)
	RetrieveShippingLabel(ctx context.Context, shipmentId string, trackingId string, body RetrieveShippingLabelJSONRequestBody) (*http.Response, error)
	PurchaseLabelsWithBody(ctx context.Context, shipmentId string, contentType string, body io.Reader) (*http.Response, error)
	PurchaseLabels(ctx context.Context, shipmentId string, body PurchaseLabelsJSONRequestBody) (*http.Response, error)
	GetTrackingInformation(ctx context.Context, trackingId string) (*http.Response, error)
}
func (c *Client) GetAccount(ctx context.Context) (*http.Response, error) {
	req, err := NewGetAccountRequest(c.Endpoint)
	if err != nil {
		return nil, err
	}
	req = req.WithContext(ctx)
	req.Header.Set("User-Agent", c.UserAgent)
	if c.RequestBefore != nil {
		err = c.RequestBefore(ctx, req)
		if err != nil {
			return nil, err
		}
	}
	rsp, err := c.Client.Do(req)
	if err != nil {
		return nil, err
	}
	if c.ResponseAfter != nil {
		err = c.ResponseAfter(ctx, rsp)
		if err != nil {
			return nil, err
		}
	}
	return rsp, nil
}
func (c *Client) PurchaseShipmentWithBody(ctx context.Context, contentType string, body io.Reader) (*http.Response, error) {
	req, err := NewPurchaseShipmentRequestWithBody(c.Endpoint, contentType, body)
	if err != nil {
		return nil, err
	}
	req = req.WithContext(ctx)
	req.Header.Set("User-Agent", c.UserAgent)
	if c.RequestBefore != nil {
		err = c.RequestBefore(ctx, req)
		if err != nil {
			return nil, err
		}
	}
	rsp, err := c.Client.Do(req)
	if err != nil {
		return nil, err
	}
	if c.ResponseAfter != nil {
		err = c.ResponseAfter(ctx, rsp)
		if err != nil {
			return nil, err
		}
	}
	return rsp, nil
}
func (c *Client) PurchaseShipment(ctx context.Context, body PurchaseShipmentJSONRequestBody) (*http.Response, error) {
	req, err := NewPurchaseShipmentRequest(c.Endpoint, body)
	if err != nil {
		return nil, err
	}
	req = req.WithContext(ctx)
	if c.RequestBefore != nil {
		err = c.RequestBefore(ctx, req)
		if err != nil {
			return nil, err
		}
	}
	return c.Client.Do(req)
}
func (c *Client) GetRatesWithBody(ctx context.Context, contentType string, body io.Reader) (*http.Response, error) {
	req, err := NewGetRatesRequestWithBody(c.Endpoint, contentType, body)
	if err != nil {
		return nil, err
	}
	req = req.WithContext(ctx)
	req.Header.Set("User-Agent", c.UserAgent)
	if c.RequestBefore != nil {
		err = c.RequestBefore(ctx, req)
		if err != nil {
			return nil, err
		}
	}
	rsp, err := c.Client.Do(req)
	if err != nil {
		return nil, err
	}
	if c.ResponseAfter != nil {
		err = c.ResponseAfter(ctx, rsp)
		if err != nil {
			return nil, err
		}
	}
	return rsp, nil
}
func (c *Client) GetRates(ctx context.Context, body GetRatesJSONRequestBody) (*http.Response, error) {
	req, err := NewGetRatesRequest(c.Endpoint, body)
	if err != nil {
		return nil, err
	}
	req = req.WithContext(ctx)
	if c.RequestBefore != nil {
		err = c.RequestBefore(ctx, req)
		if err != nil {
			return nil, err
		}
	}
	return c.Client.Do(req)
}
func (c *Client) CreateShipmentWithBody(ctx context.Context, contentType string, body io.Reader) (*http.Response, error) {
	req, err := NewCreateShipmentRequestWithBody(c.Endpoint, contentType, body)
	if err != nil {
		return nil, err
	}
	req = req.WithContext(ctx)
	req.Header.Set("User-Agent", c.UserAgent)
	if c.RequestBefore != nil {
		err = c.RequestBefore(ctx, req)
		if err != nil {
			return nil, err
		}
	}
	rsp, err := c.Client.Do(req)
	if err != nil {
		return nil, err
	}
	if c.ResponseAfter != nil {
		err = c.ResponseAfter(ctx, rsp)
		if err != nil {
			return nil, err
		}
	}
	return rsp, nil
}
func (c *Client) CreateShipment(ctx context.Context, body CreateShipmentJSONRequestBody) (*http.Response, error) {
	req, err := NewCreateShipmentRequest(c.Endpoint, body)
	if err != nil {
		return nil, err
	}
	req = req.WithContext(ctx)
	if c.RequestBefore != nil {
		err = c.RequestBefore(ctx, req)
		if err != nil {
			return nil, err
		}
	}
	return c.Client.Do(req)
}
func (c *Client) GetShipment(ctx context.Context, shipmentId string) (*http.Response, error) {
	req, err := NewGetShipmentRequest(c.Endpoint, shipmentId)
	if err != nil {
		return nil, err
	}
	req = req.WithContext(ctx)
	req.Header.Set("User-Agent", c.UserAgent)
	if c.RequestBefore != nil {
		err = c.RequestBefore(ctx, req)
		if err != nil {
			return nil, err
		}
	}
	rsp, err := c.Client.Do(req)
	if err != nil {
		return nil, err
	}
	if c.ResponseAfter != nil {
		err = c.ResponseAfter(ctx, rsp)
		if err != nil {
			return nil, err
		}
	}
	return rsp, nil
}
func (c *Client) CancelShipment(ctx context.Context, shipmentId string) (*http.Response, error) {
	req, err := NewCancelShipmentRequest(c.Endpoint, shipmentId)
	if err != nil {
		return nil, err
	}
	req = req.WithContext(ctx)
	req.Header.Set("User-Agent", c.UserAgent)
	if c.RequestBefore != nil {
		err = c.RequestBefore(ctx, req)
		if err != nil {
			return nil, err
		}
	}
	rsp, err := c.Client.Do(req)
	if err != nil {
		return nil, err
	}
	if c.ResponseAfter != nil {
		err = c.ResponseAfter(ctx, rsp)
		if err != nil {
			return nil, err
		}
	}
	return rsp, nil
}
func (c *Client) RetrieveShippingLabelWithBody(ctx context.Context, shipmentId string, trackingId string, contentType string, body io.Reader) (*http.Response, error) {
	req, err := NewRetrieveShippingLabelRequestWithBody(c.Endpoint, shipmentId, trackingId, contentType, body)
	if err != nil {
		return nil, err
	}
	req = req.WithContext(ctx)
	req.Header.Set("User-Agent", c.UserAgent)
	if c.RequestBefore != nil {
		err = c.RequestBefore(ctx, req)
		if err != nil {
			return nil, err
		}
	}
	rsp, err := c.Client.Do(req)
	if err != nil {
		return nil, err
	}
	if c.ResponseAfter != nil {
		err = c.ResponseAfter(ctx, rsp)
		if err != nil {
			return nil, err
		}
	}
	return rsp, nil
}
func (c *Client) RetrieveShippingLabel(ctx context.Context, shipmentId string, trackingId string, body RetrieveShippingLabelJSONRequestBody) (*http.Response, error) {
	req, err := NewRetrieveShippingLabelRequest(c.Endpoint, shipmentId, trackingId, body)
	if err != nil {
		return nil, err
	}
	req = req.WithContext(ctx)
	if c.RequestBefore != nil {
		err = c.RequestBefore(ctx, req)
		if err != nil {
			return nil, err
		}
	}
	return c.Client.Do(req)
}
func (c *Client) PurchaseLabelsWithBody(ctx context.Context, shipmentId string, contentType string, body io.Reader) (*http.Response, error) {
	req, err := NewPurchaseLabelsRequestWithBody(c.Endpoint, shipmentId, contentType, body)
	if err != nil {
		return nil, err
	}
	req = req.WithContext(ctx)
	req.Header.Set("User-Agent", c.UserAgent)
	if c.RequestBefore != nil {
		err = c.RequestBefore(ctx, req)
		if err != nil {
			return nil, err
		}
	}
	rsp, err := c.Client.Do(req)
	if err != nil {
		return nil, err
	}
	if c.ResponseAfter != nil {
		err = c.ResponseAfter(ctx, rsp)
		if err != nil {
			return nil, err
		}
	}
	return rsp, nil
}
func (c *Client) PurchaseLabels(ctx context.Context, shipmentId string, body PurchaseLabelsJSONRequestBody) (*http.Response, error) {
	req, err := NewPurchaseLabelsRequest(c.Endpoint, shipmentId, body)
	if err != nil {
		return nil, err
	}
	req = req.WithContext(ctx)
	if c.RequestBefore != nil {
		err = c.RequestBefore(ctx, req)
		if err != nil {
			return nil, err
		}
	}
	return c.Client.Do(req)
}
func (c *Client) GetTrackingInformation(ctx context.Context, trackingId string) (*http.Response, error) {
	req, err := NewGetTrackingInformationRequest(c.Endpoint, trackingId)
	if err != nil {
		return nil, err
	}
	req = req.WithContext(ctx)
	req.Header.Set("User-Agent", c.UserAgent)
	if c.RequestBefore != nil {
		err = c.RequestBefore(ctx, req)
		if err != nil {
			return nil, err
		}
	}
	rsp, err := c.Client.Do(req)
	if err != nil {
		return nil, err
	}
	if c.ResponseAfter != nil {
		err = c.ResponseAfter(ctx, rsp)
		if err != nil {
			return nil, err
		}
	}
	return rsp, nil
}
func NewGetAccountRequest(endpoint string) (*http.Request, error) {
	var err error
	queryUrl, err := url.Parse(endpoint)
	if err != nil {
		return nil, err
	}
	basePath := fmt.Sprintf("/shipping/v1/account")
	if basePath[0] == '/' {
		basePath = basePath[1:]
	}
	queryUrl, err = queryUrl.Parse(basePath)
	if err != nil {
		return nil, err
	}
	req, err := http.NewRequest("GET", queryUrl.String(), nil)
	if err != nil {
		return nil, err
	}
	return req, nil
}
func NewPurchaseShipmentRequest(endpoint string, body PurchaseShipmentJSONRequestBody) (*http.Request, error) {
	var bodyReader io.Reader
	buf, err := json.Marshal(body)
	if err != nil {
		return nil, err
	}
	bodyReader = bytes.NewReader(buf)
	return NewPurchaseShipmentRequestWithBody(endpoint, "application/json", bodyReader)
}
func NewPurchaseShipmentRequestWithBody(endpoint string, contentType string, body io.Reader) (*http.Request, error) {
	var err error
	queryUrl, err := url.Parse(endpoint)
	if err != nil {
		return nil, err
	}
	basePath := fmt.Sprintf("/shipping/v1/purchaseShipment")
	if basePath[0] == '/' {
		basePath = basePath[1:]
	}
	queryUrl, err = queryUrl.Parse(basePath)
	if err != nil {
		return nil, err
	}
	req, err := http.NewRequest("POST", queryUrl.String(), body)
	if err != nil {
		return nil, err
	}
	req.Header.Add("Content-Type", contentType)
	return req, nil
}
func NewGetRatesRequest(endpoint string, body GetRatesJSONRequestBody) (*http.Request, error) {
	var bodyReader io.Reader
	buf, err := json.Marshal(body)
	if err != nil {
		return nil, err
	}
	bodyReader = bytes.NewReader(buf)
	return NewGetRatesRequestWithBody(endpoint, "application/json", bodyReader)
}
func NewGetRatesRequestWithBody(endpoint string, contentType string, body io.Reader) (*http.Request, error) {
	var err error
	queryUrl, err := url.Parse(endpoint)
	if err != nil {
		return nil, err
	}
	basePath := fmt.Sprintf("/shipping/v1/rates")
	if basePath[0] == '/' {
		basePath = basePath[1:]
	}
	queryUrl, err = queryUrl.Parse(basePath)
	if err != nil {
		return nil, err
	}
	req, err := http.NewRequest("POST", queryUrl.String(), body)
	if err != nil {
		return nil, err
	}
	req.Header.Add("Content-Type", contentType)
	return req, nil
}
func NewCreateShipmentRequest(endpoint string, body CreateShipmentJSONRequestBody) (*http.Request, error) {
	var bodyReader io.Reader
	buf, err := json.Marshal(body)
	if err != nil {
		return nil, err
	}
	bodyReader = bytes.NewReader(buf)
	return NewCreateShipmentRequestWithBody(endpoint, "application/json", bodyReader)
}
func NewCreateShipmentRequestWithBody(endpoint string, contentType string, body io.Reader) (*http.Request, error) {
	var err error
	queryUrl, err := url.Parse(endpoint)
	if err != nil {
		return nil, err
	}
	basePath := fmt.Sprintf("/shipping/v1/shipments")
	if basePath[0] == '/' {
		basePath = basePath[1:]
	}
	queryUrl, err = queryUrl.Parse(basePath)
	if err != nil {
		return nil, err
	}
	req, err := http.NewRequest("POST", queryUrl.String(), body)
	if err != nil {
		return nil, err
	}
	req.Header.Add("Content-Type", contentType)
	return req, nil
}
func NewGetShipmentRequest(endpoint string, shipmentId string) (*http.Request, error) {
	var err error
	var pathParam0 string
	pathParam0, err = runtime.StyleParam("simple", false, "shipmentId", shipmentId)
	if err != nil {
		return nil, err
	}
	queryUrl, err := url.Parse(endpoint)
	if err != nil {
		return nil, err
	}
	basePath := fmt.Sprintf("/shipping/v1/shipments/%s", pathParam0)
	if basePath[0] == '/' {
		basePath = basePath[1:]
	}
	queryUrl, err = queryUrl.Parse(basePath)
	if err != nil {
		return nil, err
	}
	req, err := http.NewRequest("GET", queryUrl.String(), nil)
	if err != nil {
		return nil, err
	}
	return req, nil
}
func NewCancelShipmentRequest(endpoint string, shipmentId string) (*http.Request, error) {
	var err error
	var pathParam0 string
	pathParam0, err = runtime.StyleParam("simple", false, "shipmentId", shipmentId)
	if err != nil {
		return nil, err
	}
	queryUrl, err := url.Parse(endpoint)
	if err != nil {
		return nil, err
	}
	basePath := fmt.Sprintf("/shipping/v1/shipments/%s/cancel", pathParam0)
	if basePath[0] == '/' {
		basePath = basePath[1:]
	}
	queryUrl, err = queryUrl.Parse(basePath)
	if err != nil {
		return nil, err
	}
	req, err := http.NewRequest("POST", queryUrl.String(), nil)
	if err != nil {
		return nil, err
	}
	return req, nil
}
func NewRetrieveShippingLabelRequest(endpoint string, shipmentId string, trackingId string, body RetrieveShippingLabelJSONRequestBody) (*http.Request, error) {
	var bodyReader io.Reader
	buf, err := json.Marshal(body)
	if err != nil {
		return nil, err
	}
	bodyReader = bytes.NewReader(buf)
	return NewRetrieveShippingLabelRequestWithBody(endpoint, shipmentId, trackingId, "application/json", bodyReader)
}