<?php
/**
 * VendorDirectFulfillmentShippingApi
 * PHP version 7.2
 *
 * @category Class
 * @package  SellingPartnerApi
 */

/**
 * Selling Partner API for Direct Fulfillment Shipping
 *
 * The Selling Partner API for Direct Fulfillment Shipping provides programmatic access to a direct fulfillment vendor's shipping data.
 *
 * The version of the OpenAPI document: v1
 * 
 * Generated by: https://openapi-generator.tech
 * OpenAPI Generator version: 5.0.1
 */

/**
 * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
 * https://openapi-generator.tech
 * Do not edit the class manually.
 */

namespace SellingPartnerApi\Api;

use GuzzleHttp\Client;
use GuzzleHttp\ClientInterface;
use GuzzleHttp\Exception\RequestException;
use GuzzleHttp\Psr7\MultipartStream;
use GuzzleHttp\Psr7\Request;
use GuzzleHttp\RequestOptions;
use SellingPartnerApi\ApiException;
use SellingPartnerApi\Configuration;
use SellingPartnerApi\HeaderSelector;
use SellingPartnerApi\ObjectSerializer;

/**
 * VendorDirectFulfillmentShippingApi Class Doc Comment
 *
 * @category Class
 * @package  SellingPartnerApi
 */
class VendorDirectFulfillmentShippingApi
{
    /**
     * @var ClientInterface
     */
    protected $client;

    /**
     * @var Configuration
     */
    protected $config;

    /**
     * @var HeaderSelector
     */
    protected $headerSelector;

    /**
     * @var int Host index
     */
    protected $hostIndex;

    /**
     * @param Configuration   $config
     * @param ClientInterface $client
     * @param HeaderSelector  $selector
     * @param int             $hostIndex (Optional) host index to select the list of hosts if defined in the OpenAPI spec
     */
    public function __construct(
        Configuration $config,
        ClientInterface $client = null,
        HeaderSelector $selector = null,
        $hostIndex = 0
    ) {
        $this->client = $client ?: new Client();
        $this->config = $config;
        $this->headerSelector = $selector ?: new HeaderSelector($this->config);
        $this->hostIndex = $hostIndex;
    }

    /**
     * Set the host index
     *
     * @param int $hostIndex Host index (required)
     */
    public function setHostIndex($hostIndex)
    {
        $this->hostIndex = $hostIndex;
    }

    /**
     * Get the host index
     *
     * @return int Host index
     */
    public function getHostIndex()
    {
        return $this->hostIndex;
    }

    /**
     * @return Configuration
     */
    public function getConfig()
    {
        return $this->config;
    }

    /**
     * Operation getCustomerInvoice
     *
     * @param  string $purchase_order_number Purchase order number of the shipment for which to return the invoice. (required)
     *
     * @throws \SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse
     */
    public function getCustomerInvoice($purchase_order_number)
    {
        $response = $this->getCustomerInvoiceWithHttpInfo($purchase_order_number);
        return $response;
    }

    /**
     * Operation getCustomerInvoiceWithHttpInfo
     *
     * @param  string $purchase_order_number Purchase order number of the shipment for which to return the invoice. (required)
     *
     * @throws \SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse, HTTP status code, HTTP response headers (array of strings)
     */
    public function getCustomerInvoiceWithHttpInfo($purchase_order_number)
    {
        $request = $this->getCustomerInvoiceRequest($purchase_order_number);
        $signedRequest = $this->config->signRequest(
            $request
        );

        $this->writeDebug($signedRequest);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($signedRequest, $options);
                $this->writeDebug($response);
                $this->writeDebug((string) $response->getBody());
            } catch (RequestException $e) {
                $body = (string) $e->getResponse()->getBody();
                $this->writeDebug($e->getResponse());
                $this->writeDebug($body);
                throw new ApiException(
                    "[{$e->getCode()}] {$body}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $body : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $signedRequest->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()->getContents()
                );
            }

            $responseBody = $response->getBody();
            switch($statusCode) {
                case 200:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse', $response->getHeaders());
                case 400:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse', $response->getHeaders());
                case 401:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse', $response->getHeaders());
                case 403:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse', $response->getHeaders());
                case 404:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse', $response->getHeaders());
                case 415:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse', $response->getHeaders());
                case 429:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse', $response->getHeaders());
                case 500:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse', $response->getHeaders());
                case 503:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse', $response->getHeaders());
            }

            $returnType = '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse';
            $responseBody = $response->getBody();
            if ($returnType === '\SplFileObject') {
                $content = $responseBody; //stream goes to serializer
            } else {
                $content = (string) $responseBody;
            }

            return ObjectSerializer::deserialize($content, $returnType, $response->getHeaders());

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 401:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 403:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 404:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 415:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 429:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 503:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            $this->writeDebug($e);
            throw $e;
        }
    }

    /**
     * Operation getCustomerInvoiceAsync
     *
     * 
     *
     * @param  string $purchase_order_number Purchase order number of the shipment for which to return the invoice. (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getCustomerInvoiceAsync($purchase_order_number)
    {
        return $this->getCustomerInvoiceAsyncWithHttpInfo($purchase_order_number)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation getCustomerInvoiceAsyncWithHttpInfo
     *
     * 
     *
     * @param  string $purchase_order_number Purchase order number of the shipment for which to return the invoice. (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getCustomerInvoiceAsyncWithHttpInfo($purchase_order_number)
    {
        $returnType = '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse';
        $request = $this->getCustomerInvoiceRequest($purchase_order_number);
        $signedRequest = $this->config->signRequest(
            $request
        );

        $this->writeDebug($signedRequest);

        return $this->client
            ->sendAsync($signedRequest, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    $this->writeDebug($response);
                    $responseBody = $response->getBody();
                    if ($returnType === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, $returnType, $response->getHeaders());
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $body = (string) $response->getBody();
                    $this->writeDebug($response);
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $body
                    );
                }
            );
    }

    /**
     * Create request for operation 'getCustomerInvoice'
     *
     * @param  string $purchase_order_number Purchase order number of the shipment for which to return the invoice. (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function getCustomerInvoiceRequest($purchase_order_number)
    {
        // verify the required parameter 'purchase_order_number' is set
        if ($purchase_order_number === null || (is_array($purchase_order_number) && count($purchase_order_number) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $purchase_order_number when calling getCustomerInvoice'
            );
        }
        if (!preg_match("/^[a-zA-Z0-9]+$/", $purchase_order_number)) {
            throw new \InvalidArgumentException("invalid value for \"purchase_order_number\" when calling VendorDirectFulfillmentShippingApi.getCustomerInvoice, must conform to the pattern /^[a-zA-Z0-9]+$/.");
        }


        $resourcePath = '/vendor/directFulfillment/shipping/v1/customerInvoices/{purchaseOrderNumber}';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        // path params
        if ($purchase_order_number !== null) {
            $resourcePath = str_replace(
                '{' . 'purchaseOrderNumber' . '}',
                ObjectSerializer::toPathValue($purchase_order_number),
                $resourcePath
            );
        }

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json'],
                []
            );
        }

        // for model (json/xml)
        if (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
                    foreach ($formParamValueItems as $formParamValueItem) {
                        $multipartContents[] = [
                            'name' => $formParamName,
                            'contents' => $formParamValueItem
                        ];
                    }
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
            }
        }


        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
        return new Request(
            'GET',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation getCustomerInvoices
     *
     * @param  string $created_after Orders that became available after this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $created_before Orders that became available before this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $ship_from_party_id The vendor warehouseId for order fulfillment. If not specified, the result will contain orders for all warehouses. (optional)
     * @param  int $limit The limit to the number of records returned (optional)
     * @param  string $sort_order Sort ASC or DESC by order creation date. (optional)
     * @param  string $next_token Used for pagination when there are more orders than the specified result size limit. The token value is returned in the previous API call. (optional)
     *
     * @throws \SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoicesResponse
     */
    public function getCustomerInvoices($created_after, $created_before, $ship_from_party_id = null, $limit = null, $sort_order = null, $next_token = null)
    {
        $response = $this->getCustomerInvoicesWithHttpInfo($created_after, $created_before, $ship_from_party_id, $limit, $sort_order, $next_token);
        return $response;
    }

    /**
     * Operation getCustomerInvoicesWithHttpInfo
     *
     * @param  string $created_after Orders that became available after this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $created_before Orders that became available before this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $ship_from_party_id The vendor warehouseId for order fulfillment. If not specified, the result will contain orders for all warehouses. (optional)
     * @param  int $limit The limit to the number of records returned (optional)
     * @param  string $sort_order Sort ASC or DESC by order creation date. (optional)
     * @param  string $next_token Used for pagination when there are more orders than the specified result size limit. The token value is returned in the previous API call. (optional)
     *
     * @throws \SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoicesResponse, HTTP status code, HTTP response headers (array of strings)
     */
    public function getCustomerInvoicesWithHttpInfo($created_after, $created_before, $ship_from_party_id = null, $limit = null, $sort_order = null, $next_token = null)
    {
        $request = $this->getCustomerInvoicesRequest($created_after, $created_before, $ship_from_party_id, $limit, $sort_order, $next_token);
        $signedRequest = $this->config->signRequest(
            $request,
            null,
            "/vendor/directFulfillment/shipping/v1/customerInvoices",
            "getCustomerInvoices"
        );

        $this->writeDebug($signedRequest);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($signedRequest, $options);
                $this->writeDebug($response);
                $this->writeDebug((string) $response->getBody());
            } catch (RequestException $e) {
                $body = (string) $e->getResponse()->getBody();
                $this->writeDebug($e->getResponse());
                $this->writeDebug($body);
                throw new ApiException(
                    "[{$e->getCode()}] {$body}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $body : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $signedRequest->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()->getContents()
                );
            }

            $responseBody = $response->getBody();
            switch($statusCode) {
                case 200:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoicesResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoicesResponse', $response->getHeaders());
                case 400:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse', $response->getHeaders());
                case 403:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse', $response->getHeaders());
                case 404:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse', $response->getHeaders());
                case 415:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse', $response->getHeaders());
                case 429:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse', $response->getHeaders());
                case 500:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse', $response->getHeaders());
                case 503:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse', $response->getHeaders());
            }

            $returnType = '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoicesResponse';
            $responseBody = $response->getBody();
            if ($returnType === '\SplFileObject') {
                $content = $responseBody; //stream goes to serializer
            } else {
                $content = (string) $responseBody;
            }

            return ObjectSerializer::deserialize($content, $returnType, $response->getHeaders());

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoicesResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 403:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 404:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 415:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 429:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 503:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoiceResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            $this->writeDebug($e);
            throw $e;
        }
    }

    /**
     * Operation getCustomerInvoicesAsync
     *
     * 
     *
     * @param  string $created_after Orders that became available after this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $created_before Orders that became available before this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $ship_from_party_id The vendor warehouseId for order fulfillment. If not specified, the result will contain orders for all warehouses. (optional)
     * @param  int $limit The limit to the number of records returned (optional)
     * @param  string $sort_order Sort ASC or DESC by order creation date. (optional)
     * @param  string $next_token Used for pagination when there are more orders than the specified result size limit. The token value is returned in the previous API call. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getCustomerInvoicesAsync($created_after, $created_before, $ship_from_party_id = null, $limit = null, $sort_order = null, $next_token = null)
    {
        return $this->getCustomerInvoicesAsyncWithHttpInfo($created_after, $created_before, $ship_from_party_id, $limit, $sort_order, $next_token)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation getCustomerInvoicesAsyncWithHttpInfo
     *
     * 
     *
     * @param  string $created_after Orders that became available after this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $created_before Orders that became available before this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $ship_from_party_id The vendor warehouseId for order fulfillment. If not specified, the result will contain orders for all warehouses. (optional)
     * @param  int $limit The limit to the number of records returned (optional)
     * @param  string $sort_order Sort ASC or DESC by order creation date. (optional)
     * @param  string $next_token Used for pagination when there are more orders than the specified result size limit. The token value is returned in the previous API call. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getCustomerInvoicesAsyncWithHttpInfo($created_after, $created_before, $ship_from_party_id = null, $limit = null, $sort_order = null, $next_token = null)
    {
        $returnType = '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetCustomerInvoicesResponse';
        $request = $this->getCustomerInvoicesRequest($created_after, $created_before, $ship_from_party_id, $limit, $sort_order, $next_token);
        $signedRequest = $this->config->signRequest(
            $request,
            null,
            "/vendor/directFulfillment/shipping/v1/customerInvoices",
            "getCustomerInvoices"
        );

        $this->writeDebug($signedRequest);

        return $this->client
            ->sendAsync($signedRequest, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    $this->writeDebug($response);
                    $responseBody = $response->getBody();
                    if ($returnType === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, $returnType, $response->getHeaders());
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $body = (string) $response->getBody();
                    $this->writeDebug($response);
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $body
                    );
                }
            );
    }

    /**
     * Create request for operation 'getCustomerInvoices'
     *
     * @param  string $created_after Orders that became available after this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $created_before Orders that became available before this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $ship_from_party_id The vendor warehouseId for order fulfillment. If not specified, the result will contain orders for all warehouses. (optional)
     * @param  int $limit The limit to the number of records returned (optional)
     * @param  string $sort_order Sort ASC or DESC by order creation date. (optional)
     * @param  string $next_token Used for pagination when there are more orders than the specified result size limit. The token value is returned in the previous API call. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function getCustomerInvoicesRequest($created_after, $created_before, $ship_from_party_id = null, $limit = null, $sort_order = null, $next_token = null)
    {
        // verify the required parameter 'created_after' is set
        if ($created_after === null || (is_array($created_after) && count($created_after) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $created_after when calling getCustomerInvoices'
            );
        }
        // verify the required parameter 'created_before' is set
        if ($created_before === null || (is_array($created_before) && count($created_before) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $created_before when calling getCustomerInvoices'
            );
        }
        if ($limit !== null && $limit > 100) {
            throw new \InvalidArgumentException('invalid value for "$limit" when calling VendorDirectFulfillmentShippingApi.getCustomerInvoices, must be smaller than or equal to 100.');
        }
        if ($limit !== null && $limit < 1) {
            throw new \InvalidArgumentException('invalid value for "$limit" when calling VendorDirectFulfillmentShippingApi.getCustomerInvoices, must be bigger than or equal to 1.');
        }


        $resourcePath = '/vendor/directFulfillment/shipping/v1/customerInvoices';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        // query params
        if (is_array($ship_from_party_id)) {
            $ship_from_party_id = ObjectSerializer::serializeCollection($ship_from_party_id, '', true);
        }
        if ($ship_from_party_id !== null) {
            $queryParams['shipFromPartyId'] = $ship_from_party_id;
        }

        // query params
        if (is_array($limit)) {
            $limit = ObjectSerializer::serializeCollection($limit, '', true);
        }
        if ($limit !== null) {
            $queryParams['limit'] = $limit;
        }

        // query params
        if (is_array($created_after)) {
            $created_after = ObjectSerializer::serializeCollection($created_after, '', true);
        }
        if ($created_after !== null) {
            $queryParams['createdAfter'] = $created_after;
        }

        // query params
        if (is_array($created_before)) {
            $created_before = ObjectSerializer::serializeCollection($created_before, '', true);
        }
        if ($created_before !== null) {
            $queryParams['createdBefore'] = $created_before;
        }

        // query params
        if (is_array($sort_order)) {
            $sort_order = ObjectSerializer::serializeCollection($sort_order, '', true);
        }
        if ($sort_order !== null) {
            $queryParams['sortOrder'] = $sort_order;
        }

        // query params
        if (is_array($next_token)) {
            $next_token = ObjectSerializer::serializeCollection($next_token, '', true);
        }
        if ($next_token !== null) {
            $queryParams['nextToken'] = $next_token;
        }

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json', 'payload']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json', 'payload'],
                []
            );
        }

        // for model (json/xml)
        if (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
                    foreach ($formParamValueItems as $formParamValueItem) {
                        $multipartContents[] = [
                            'name' => $formParamName,
                            'contents' => $formParamValueItem
                        ];
                    }
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
            }
        }


        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
        return new Request(
            'GET',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation getPackingSlip
     *
     * @param  string $purchase_order_number The purchaseOrderNumber for the packing slip you want. (required)
     *
     * @throws \SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse
     */
    public function getPackingSlip($purchase_order_number)
    {
        $response = $this->getPackingSlipWithHttpInfo($purchase_order_number);
        return $response;
    }

    /**
     * Operation getPackingSlipWithHttpInfo
     *
     * @param  string $purchase_order_number The purchaseOrderNumber for the packing slip you want. (required)
     *
     * @throws \SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse, HTTP status code, HTTP response headers (array of strings)
     */
    public function getPackingSlipWithHttpInfo($purchase_order_number)
    {
        $request = $this->getPackingSlipRequest($purchase_order_number);
        $signedRequest = $this->config->signRequest(
            $request
        );

        $this->writeDebug($signedRequest);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($signedRequest, $options);
                $this->writeDebug($response);
                $this->writeDebug((string) $response->getBody());
            } catch (RequestException $e) {
                $body = (string) $e->getResponse()->getBody();
                $this->writeDebug($e->getResponse());
                $this->writeDebug($body);
                throw new ApiException(
                    "[{$e->getCode()}] {$body}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $body : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $signedRequest->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()->getContents()
                );
            }

            $responseBody = $response->getBody();
            switch($statusCode) {
                case 200:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse', $response->getHeaders());
                case 400:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse', $response->getHeaders());
                case 401:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse', $response->getHeaders());
                case 403:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse', $response->getHeaders());
                case 404:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse', $response->getHeaders());
                case 415:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse', $response->getHeaders());
                case 429:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse', $response->getHeaders());
                case 500:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse', $response->getHeaders());
                case 503:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse', $response->getHeaders());
            }

            $returnType = '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse';
            $responseBody = $response->getBody();
            if ($returnType === '\SplFileObject') {
                $content = $responseBody; //stream goes to serializer
            } else {
                $content = (string) $responseBody;
            }

            return ObjectSerializer::deserialize($content, $returnType, $response->getHeaders());

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 401:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 403:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 404:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 415:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 429:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 503:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            $this->writeDebug($e);
            throw $e;
        }
    }

    /**
     * Operation getPackingSlipAsync
     *
     * 
     *
     * @param  string $purchase_order_number The purchaseOrderNumber for the packing slip you want. (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getPackingSlipAsync($purchase_order_number)
    {
        return $this->getPackingSlipAsyncWithHttpInfo($purchase_order_number)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation getPackingSlipAsyncWithHttpInfo
     *
     * 
     *
     * @param  string $purchase_order_number The purchaseOrderNumber for the packing slip you want. (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getPackingSlipAsyncWithHttpInfo($purchase_order_number)
    {
        $returnType = '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipResponse';
        $request = $this->getPackingSlipRequest($purchase_order_number);
        $signedRequest = $this->config->signRequest(
            $request
        );

        $this->writeDebug($signedRequest);

        return $this->client
            ->sendAsync($signedRequest, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    $this->writeDebug($response);
                    $responseBody = $response->getBody();
                    if ($returnType === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, $returnType, $response->getHeaders());
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $body = (string) $response->getBody();
                    $this->writeDebug($response);
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $body
                    );
                }
            );
    }

    /**
     * Create request for operation 'getPackingSlip'
     *
     * @param  string $purchase_order_number The purchaseOrderNumber for the packing slip you want. (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function getPackingSlipRequest($purchase_order_number)
    {
        // verify the required parameter 'purchase_order_number' is set
        if ($purchase_order_number === null || (is_array($purchase_order_number) && count($purchase_order_number) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $purchase_order_number when calling getPackingSlip'
            );
        }
        if (!preg_match("/^[a-zA-Z0-9]+$/", $purchase_order_number)) {
            throw new \InvalidArgumentException("invalid value for \"purchase_order_number\" when calling VendorDirectFulfillmentShippingApi.getPackingSlip, must conform to the pattern /^[a-zA-Z0-9]+$/.");
        }


        $resourcePath = '/vendor/directFulfillment/shipping/v1/packingSlips/{purchaseOrderNumber}';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        // path params
        if ($purchase_order_number !== null) {
            $resourcePath = str_replace(
                '{' . 'purchaseOrderNumber' . '}',
                ObjectSerializer::toPathValue($purchase_order_number),
                $resourcePath
            );
        }

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json'],
                []
            );
        }

        // for model (json/xml)
        if (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
                    foreach ($formParamValueItems as $formParamValueItem) {
                        $multipartContents[] = [
                            'name' => $formParamName,
                            'contents' => $formParamValueItem
                        ];
                    }
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
            }
        }


        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
        return new Request(
            'GET',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation getPackingSlips
     *
     * @param  string $created_after Packing slips that became available after this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $created_before Packing slips that became available before this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $ship_from_party_id The vendor warehouseId for order fulfillment. If not specified the result will contain orders for all warehouses. (optional)
     * @param  int $limit The limit to the number of records returned (optional)
     * @param  string $sort_order Sort ASC or DESC by packing slip creation date. (optional, default to 'ASC')
     * @param  string $next_token Used for pagination when there are more packing slips than the specified result size limit. The token value is returned in the previous API call. (optional)
     *
     * @throws \SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse
     */
    public function getPackingSlips($created_after, $created_before, $ship_from_party_id = null, $limit = null, $sort_order = 'ASC', $next_token = null)
    {
        $response = $this->getPackingSlipsWithHttpInfo($created_after, $created_before, $ship_from_party_id, $limit, $sort_order, $next_token);
        return $response;
    }

    /**
     * Operation getPackingSlipsWithHttpInfo
     *
     * @param  string $created_after Packing slips that became available after this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $created_before Packing slips that became available before this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $ship_from_party_id The vendor warehouseId for order fulfillment. If not specified the result will contain orders for all warehouses. (optional)
     * @param  int $limit The limit to the number of records returned (optional)
     * @param  string $sort_order Sort ASC or DESC by packing slip creation date. (optional, default to 'ASC')
     * @param  string $next_token Used for pagination when there are more packing slips than the specified result size limit. The token value is returned in the previous API call. (optional)
     *
     * @throws \SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse, HTTP status code, HTTP response headers (array of strings)
     */
    public function getPackingSlipsWithHttpInfo($created_after, $created_before, $ship_from_party_id = null, $limit = null, $sort_order = 'ASC', $next_token = null)
    {
        $request = $this->getPackingSlipsRequest($created_after, $created_before, $ship_from_party_id, $limit, $sort_order, $next_token);
        $signedRequest = $this->config->signRequest(
            $request,
            null,
            "/vendor/directFulfillment/shipping/v1/packingSlips",
            "getPackingSlips"
        );

        $this->writeDebug($signedRequest);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($signedRequest, $options);
                $this->writeDebug($response);
                $this->writeDebug((string) $response->getBody());
            } catch (RequestException $e) {
                $body = (string) $e->getResponse()->getBody();
                $this->writeDebug($e->getResponse());
                $this->writeDebug($body);
                throw new ApiException(
                    "[{$e->getCode()}] {$body}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $body : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $signedRequest->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()->getContents()
                );
            }

            $responseBody = $response->getBody();
            switch($statusCode) {
                case 200:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse', $response->getHeaders());
                case 400:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse', $response->getHeaders());
                case 401:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse', $response->getHeaders());
                case 403:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse', $response->getHeaders());
                case 404:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse', $response->getHeaders());
                case 415:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse', $response->getHeaders());
                case 429:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse', $response->getHeaders());
                case 500:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse', $response->getHeaders());
                case 503:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse', $response->getHeaders());
            }

            $returnType = '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse';
            $responseBody = $response->getBody();
            if ($returnType === '\SplFileObject') {
                $content = $responseBody; //stream goes to serializer
            } else {
                $content = (string) $responseBody;
            }

            return ObjectSerializer::deserialize($content, $returnType, $response->getHeaders());

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 401:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 403:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 404:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 415:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 429:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 503:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            $this->writeDebug($e);
            throw $e;
        }
    }

    /**
     * Operation getPackingSlipsAsync
     *
     * 
     *
     * @param  string $created_after Packing slips that became available after this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $created_before Packing slips that became available before this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $ship_from_party_id The vendor warehouseId for order fulfillment. If not specified the result will contain orders for all warehouses. (optional)
     * @param  int $limit The limit to the number of records returned (optional)
     * @param  string $sort_order Sort ASC or DESC by packing slip creation date. (optional, default to 'ASC')
     * @param  string $next_token Used for pagination when there are more packing slips than the specified result size limit. The token value is returned in the previous API call. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getPackingSlipsAsync($created_after, $created_before, $ship_from_party_id = null, $limit = null, $sort_order = 'ASC', $next_token = null)
    {
        return $this->getPackingSlipsAsyncWithHttpInfo($created_after, $created_before, $ship_from_party_id, $limit, $sort_order, $next_token)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation getPackingSlipsAsyncWithHttpInfo
     *
     * 
     *
     * @param  string $created_after Packing slips that became available after this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $created_before Packing slips that became available before this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $ship_from_party_id The vendor warehouseId for order fulfillment. If not specified the result will contain orders for all warehouses. (optional)
     * @param  int $limit The limit to the number of records returned (optional)
     * @param  string $sort_order Sort ASC or DESC by packing slip creation date. (optional, default to 'ASC')
     * @param  string $next_token Used for pagination when there are more packing slips than the specified result size limit. The token value is returned in the previous API call. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getPackingSlipsAsyncWithHttpInfo($created_after, $created_before, $ship_from_party_id = null, $limit = null, $sort_order = 'ASC', $next_token = null)
    {
        $returnType = '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetPackingSlipListResponse';
        $request = $this->getPackingSlipsRequest($created_after, $created_before, $ship_from_party_id, $limit, $sort_order, $next_token);
        $signedRequest = $this->config->signRequest(
            $request,
            null,
            "/vendor/directFulfillment/shipping/v1/packingSlips",
            "getPackingSlips"
        );

        $this->writeDebug($signedRequest);

        return $this->client
            ->sendAsync($signedRequest, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    $this->writeDebug($response);
                    $responseBody = $response->getBody();
                    if ($returnType === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, $returnType, $response->getHeaders());
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $body = (string) $response->getBody();
                    $this->writeDebug($response);
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $body
                    );
                }
            );
    }

    /**
     * Create request for operation 'getPackingSlips'
     *
     * @param  string $created_after Packing slips that became available after this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $created_before Packing slips that became available before this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $ship_from_party_id The vendor warehouseId for order fulfillment. If not specified the result will contain orders for all warehouses. (optional)
     * @param  int $limit The limit to the number of records returned (optional)
     * @param  string $sort_order Sort ASC or DESC by packing slip creation date. (optional, default to 'ASC')
     * @param  string $next_token Used for pagination when there are more packing slips than the specified result size limit. The token value is returned in the previous API call. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function getPackingSlipsRequest($created_after, $created_before, $ship_from_party_id = null, $limit = null, $sort_order = 'ASC', $next_token = null)
    {
        // verify the required parameter 'created_after' is set
        if ($created_after === null || (is_array($created_after) && count($created_after) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $created_after when calling getPackingSlips'
            );
        }
        // verify the required parameter 'created_before' is set
        if ($created_before === null || (is_array($created_before) && count($created_before) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $created_before when calling getPackingSlips'
            );
        }
        if ($limit !== null && $limit > 100) {
            throw new \InvalidArgumentException('invalid value for "$limit" when calling VendorDirectFulfillmentShippingApi.getPackingSlips, must be smaller than or equal to 100.');
        }
        if ($limit !== null && $limit < 1) {
            throw new \InvalidArgumentException('invalid value for "$limit" when calling VendorDirectFulfillmentShippingApi.getPackingSlips, must be bigger than or equal to 1.');
        }


        $resourcePath = '/vendor/directFulfillment/shipping/v1/packingSlips';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        // query params
        if (is_array($ship_from_party_id)) {
            $ship_from_party_id = ObjectSerializer::serializeCollection($ship_from_party_id, '', true);
        }
        if ($ship_from_party_id !== null) {
            $queryParams['shipFromPartyId'] = $ship_from_party_id;
        }

        // query params
        if (is_array($limit)) {
            $limit = ObjectSerializer::serializeCollection($limit, '', true);
        }
        if ($limit !== null) {
            $queryParams['limit'] = $limit;
        }

        // query params
        if (is_array($created_after)) {
            $created_after = ObjectSerializer::serializeCollection($created_after, '', true);
        }
        if ($created_after !== null) {
            $queryParams['createdAfter'] = $created_after;
        }

        // query params
        if (is_array($created_before)) {
            $created_before = ObjectSerializer::serializeCollection($created_before, '', true);
        }
        if ($created_before !== null) {
            $queryParams['createdBefore'] = $created_before;
        }

        // query params
        if (is_array($sort_order)) {
            $sort_order = ObjectSerializer::serializeCollection($sort_order, '', true);
        }
        if ($sort_order !== null) {
            $queryParams['sortOrder'] = $sort_order;
        }

        // query params
        if (is_array($next_token)) {
            $next_token = ObjectSerializer::serializeCollection($next_token, '', true);
        }
        if ($next_token !== null) {
            $queryParams['nextToken'] = $next_token;
        }

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json'],
                []
            );
        }

        // for model (json/xml)
        if (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
                    foreach ($formParamValueItems as $formParamValueItem) {
                        $multipartContents[] = [
                            'name' => $formParamName,
                            'contents' => $formParamValueItem
                        ];
                    }
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
            }
        }


        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
        return new Request(
            'GET',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation getShippingLabel
     *
     * @param  string $purchase_order_number The purchase order number for which you want to return the shipping label. It should be the same purchaseOrderNumber as received in the order. (required)
     *
     * @throws \SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse
     */
    public function getShippingLabel($purchase_order_number)
    {
        $response = $this->getShippingLabelWithHttpInfo($purchase_order_number);
        return $response;
    }

    /**
     * Operation getShippingLabelWithHttpInfo
     *
     * @param  string $purchase_order_number The purchase order number for which you want to return the shipping label. It should be the same purchaseOrderNumber as received in the order. (required)
     *
     * @throws \SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse, HTTP status code, HTTP response headers (array of strings)
     */
    public function getShippingLabelWithHttpInfo($purchase_order_number)
    {
        $request = $this->getShippingLabelRequest($purchase_order_number);
        $signedRequest = $this->config->signRequest(
            $request
        );

        $this->writeDebug($signedRequest);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($signedRequest, $options);
                $this->writeDebug($response);
                $this->writeDebug((string) $response->getBody());
            } catch (RequestException $e) {
                $body = (string) $e->getResponse()->getBody();
                $this->writeDebug($e->getResponse());
                $this->writeDebug($body);
                throw new ApiException(
                    "[{$e->getCode()}] {$body}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $body : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $signedRequest->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()->getContents()
                );
            }

            $responseBody = $response->getBody();
            switch($statusCode) {
                case 200:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse', $response->getHeaders());
                case 400:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse', $response->getHeaders());
                case 401:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse', $response->getHeaders());
                case 403:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse', $response->getHeaders());
                case 404:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse', $response->getHeaders());
                case 415:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse', $response->getHeaders());
                case 429:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse', $response->getHeaders());
                case 500:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse', $response->getHeaders());
                case 503:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse', $response->getHeaders());
            }

            $returnType = '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse';
            $responseBody = $response->getBody();
            if ($returnType === '\SplFileObject') {
                $content = $responseBody; //stream goes to serializer
            } else {
                $content = (string) $responseBody;
            }

            return ObjectSerializer::deserialize($content, $returnType, $response->getHeaders());

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 401:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 403:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 404:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 415:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 429:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 503:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            $this->writeDebug($e);
            throw $e;
        }
    }

    /**
     * Operation getShippingLabelAsync
     *
     * 
     *
     * @param  string $purchase_order_number The purchase order number for which you want to return the shipping label. It should be the same purchaseOrderNumber as received in the order. (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getShippingLabelAsync($purchase_order_number)
    {
        return $this->getShippingLabelAsyncWithHttpInfo($purchase_order_number)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation getShippingLabelAsyncWithHttpInfo
     *
     * 
     *
     * @param  string $purchase_order_number The purchase order number for which you want to return the shipping label. It should be the same purchaseOrderNumber as received in the order. (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getShippingLabelAsyncWithHttpInfo($purchase_order_number)
    {
        $returnType = '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelResponse';
        $request = $this->getShippingLabelRequest($purchase_order_number);
        $signedRequest = $this->config->signRequest(
            $request
        );

        $this->writeDebug($signedRequest);

        return $this->client
            ->sendAsync($signedRequest, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    $this->writeDebug($response);
                    $responseBody = $response->getBody();
                    if ($returnType === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, $returnType, $response->getHeaders());
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $body = (string) $response->getBody();
                    $this->writeDebug($response);
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $body
                    );
                }
            );
    }

    /**
     * Create request for operation 'getShippingLabel'
     *
     * @param  string $purchase_order_number The purchase order number for which you want to return the shipping label. It should be the same purchaseOrderNumber as received in the order. (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function getShippingLabelRequest($purchase_order_number)
    {
        // verify the required parameter 'purchase_order_number' is set
        if ($purchase_order_number === null || (is_array($purchase_order_number) && count($purchase_order_number) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $purchase_order_number when calling getShippingLabel'
            );
        }
        if (!preg_match("/^[a-zA-Z0-9]+$/", $purchase_order_number)) {
            throw new \InvalidArgumentException("invalid value for \"purchase_order_number\" when calling VendorDirectFulfillmentShippingApi.getShippingLabel, must conform to the pattern /^[a-zA-Z0-9]+$/.");
        }


        $resourcePath = '/vendor/directFulfillment/shipping/v1/shippingLabels/{purchaseOrderNumber}';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        // path params
        if ($purchase_order_number !== null) {
            $resourcePath = str_replace(
                '{' . 'purchaseOrderNumber' . '}',
                ObjectSerializer::toPathValue($purchase_order_number),
                $resourcePath
            );
        }

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json'],
                []
            );
        }

        // for model (json/xml)
        if (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
                    foreach ($formParamValueItems as $formParamValueItem) {
                        $multipartContents[] = [
                            'name' => $formParamName,
                            'contents' => $formParamValueItem
                        ];
                    }
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
            }
        }


        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
        return new Request(
            'GET',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation getShippingLabels
     *
     * @param  string $created_after Shipping labels that became available after this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $created_before Shipping labels that became available before this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $ship_from_party_id The vendor warehouseId for order fulfillment. If not specified, the result will contain orders for all warehouses. (optional)
     * @param  int $limit The limit to the number of records returned. (optional)
     * @param  string $sort_order Sort ASC or DESC by order creation date. (optional, default to 'ASC')
     * @param  string $next_token Used for pagination when there are more ship labels than the specified result size limit. The token value is returned in the previous API call. (optional)
     *
     * @throws \SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse
     */
    public function getShippingLabels($created_after, $created_before, $ship_from_party_id = null, $limit = null, $sort_order = 'ASC', $next_token = null)
    {
        $response = $this->getShippingLabelsWithHttpInfo($created_after, $created_before, $ship_from_party_id, $limit, $sort_order, $next_token);
        return $response;
    }

    /**
     * Operation getShippingLabelsWithHttpInfo
     *
     * @param  string $created_after Shipping labels that became available after this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $created_before Shipping labels that became available before this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $ship_from_party_id The vendor warehouseId for order fulfillment. If not specified, the result will contain orders for all warehouses. (optional)
     * @param  int $limit The limit to the number of records returned. (optional)
     * @param  string $sort_order Sort ASC or DESC by order creation date. (optional, default to 'ASC')
     * @param  string $next_token Used for pagination when there are more ship labels than the specified result size limit. The token value is returned in the previous API call. (optional)
     *
     * @throws \SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse, HTTP status code, HTTP response headers (array of strings)
     */
    public function getShippingLabelsWithHttpInfo($created_after, $created_before, $ship_from_party_id = null, $limit = null, $sort_order = 'ASC', $next_token = null)
    {
        $request = $this->getShippingLabelsRequest($created_after, $created_before, $ship_from_party_id, $limit, $sort_order, $next_token);
        $signedRequest = $this->config->signRequest(
            $request,
            null,
            "/vendor/directFulfillment/shipping/v1/shippingLabels",
            "getShippingLabels"
        );

        $this->writeDebug($signedRequest);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($signedRequest, $options);
                $this->writeDebug($response);
                $this->writeDebug((string) $response->getBody());
            } catch (RequestException $e) {
                $body = (string) $e->getResponse()->getBody();
                $this->writeDebug($e->getResponse());
                $this->writeDebug($body);
                throw new ApiException(
                    "[{$e->getCode()}] {$body}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $body : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $signedRequest->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()->getContents()
                );
            }

            $responseBody = $response->getBody();
            switch($statusCode) {
                case 200:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse', $response->getHeaders());
                case 400:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse', $response->getHeaders());
                case 403:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse', $response->getHeaders());
                case 404:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse', $response->getHeaders());
                case 415:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse', $response->getHeaders());
                case 429:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse', $response->getHeaders());
                case 500:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse', $response->getHeaders());
                case 503:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse', $response->getHeaders());
            }

            $returnType = '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse';
            $responseBody = $response->getBody();
            if ($returnType === '\SplFileObject') {
                $content = $responseBody; //stream goes to serializer
            } else {
                $content = (string) $responseBody;
            }

            return ObjectSerializer::deserialize($content, $returnType, $response->getHeaders());

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 403:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 404:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 415:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 429:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 503:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            $this->writeDebug($e);
            throw $e;
        }
    }

    /**
     * Operation getShippingLabelsAsync
     *
     * 
     *
     * @param  string $created_after Shipping labels that became available after this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $created_before Shipping labels that became available before this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $ship_from_party_id The vendor warehouseId for order fulfillment. If not specified, the result will contain orders for all warehouses. (optional)
     * @param  int $limit The limit to the number of records returned. (optional)
     * @param  string $sort_order Sort ASC or DESC by order creation date. (optional, default to 'ASC')
     * @param  string $next_token Used for pagination when there are more ship labels than the specified result size limit. The token value is returned in the previous API call. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getShippingLabelsAsync($created_after, $created_before, $ship_from_party_id = null, $limit = null, $sort_order = 'ASC', $next_token = null)
    {
        return $this->getShippingLabelsAsyncWithHttpInfo($created_after, $created_before, $ship_from_party_id, $limit, $sort_order, $next_token)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation getShippingLabelsAsyncWithHttpInfo
     *
     * 
     *
     * @param  string $created_after Shipping labels that became available after this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $created_before Shipping labels that became available before this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $ship_from_party_id The vendor warehouseId for order fulfillment. If not specified, the result will contain orders for all warehouses. (optional)
     * @param  int $limit The limit to the number of records returned. (optional)
     * @param  string $sort_order Sort ASC or DESC by order creation date. (optional, default to 'ASC')
     * @param  string $next_token Used for pagination when there are more ship labels than the specified result size limit. The token value is returned in the previous API call. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getShippingLabelsAsyncWithHttpInfo($created_after, $created_before, $ship_from_party_id = null, $limit = null, $sort_order = 'ASC', $next_token = null)
    {
        $returnType = '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\GetShippingLabelListResponse';
        $request = $this->getShippingLabelsRequest($created_after, $created_before, $ship_from_party_id, $limit, $sort_order, $next_token);
        $signedRequest = $this->config->signRequest(
            $request,
            null,
            "/vendor/directFulfillment/shipping/v1/shippingLabels",
            "getShippingLabels"
        );

        $this->writeDebug($signedRequest);

        return $this->client
            ->sendAsync($signedRequest, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    $this->writeDebug($response);
                    $responseBody = $response->getBody();
                    if ($returnType === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, $returnType, $response->getHeaders());
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $body = (string) $response->getBody();
                    $this->writeDebug($response);
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $body
                    );
                }
            );
    }

    /**
     * Create request for operation 'getShippingLabels'
     *
     * @param  string $created_after Shipping labels that became available after this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $created_before Shipping labels that became available before this date and time will be included in the result. Must be in ISO-8601 date/time format. (required)
     * @param  string $ship_from_party_id The vendor warehouseId for order fulfillment. If not specified, the result will contain orders for all warehouses. (optional)
     * @param  int $limit The limit to the number of records returned. (optional)
     * @param  string $sort_order Sort ASC or DESC by order creation date. (optional, default to 'ASC')
     * @param  string $next_token Used for pagination when there are more ship labels than the specified result size limit. The token value is returned in the previous API call. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function getShippingLabelsRequest($created_after, $created_before, $ship_from_party_id = null, $limit = null, $sort_order = 'ASC', $next_token = null)
    {
        // verify the required parameter 'created_after' is set
        if ($created_after === null || (is_array($created_after) && count($created_after) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $created_after when calling getShippingLabels'
            );
        }
        // verify the required parameter 'created_before' is set
        if ($created_before === null || (is_array($created_before) && count($created_before) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $created_before when calling getShippingLabels'
            );
        }
        if ($limit !== null && $limit > 100) {
            throw new \InvalidArgumentException('invalid value for "$limit" when calling VendorDirectFulfillmentShippingApi.getShippingLabels, must be smaller than or equal to 100.');
        }
        if ($limit !== null && $limit < 1) {
            throw new \InvalidArgumentException('invalid value for "$limit" when calling VendorDirectFulfillmentShippingApi.getShippingLabels, must be bigger than or equal to 1.');
        }


        $resourcePath = '/vendor/directFulfillment/shipping/v1/shippingLabels';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        // query params
        if (is_array($ship_from_party_id)) {
            $ship_from_party_id = ObjectSerializer::serializeCollection($ship_from_party_id, '', true);
        }
        if ($ship_from_party_id !== null) {
            $queryParams['shipFromPartyId'] = $ship_from_party_id;
        }

        // query params
        if (is_array($limit)) {
            $limit = ObjectSerializer::serializeCollection($limit, '', true);
        }
        if ($limit !== null) {
            $queryParams['limit'] = $limit;
        }

        // query params
        if (is_array($created_after)) {
            $created_after = ObjectSerializer::serializeCollection($created_after, '', true);
        }
        if ($created_after !== null) {
            $queryParams['createdAfter'] = $created_after;
        }

        // query params
        if (is_array($created_before)) {
            $created_before = ObjectSerializer::serializeCollection($created_before, '', true);
        }
        if ($created_before !== null) {
            $queryParams['createdBefore'] = $created_before;
        }

        // query params
        if (is_array($sort_order)) {
            $sort_order = ObjectSerializer::serializeCollection($sort_order, '', true);
        }
        if ($sort_order !== null) {
            $queryParams['sortOrder'] = $sort_order;
        }

        // query params
        if (is_array($next_token)) {
            $next_token = ObjectSerializer::serializeCollection($next_token, '', true);
        }
        if ($next_token !== null) {
            $queryParams['nextToken'] = $next_token;
        }

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json', 'payload']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json', 'payload'],
                []
            );
        }

        // for model (json/xml)
        if (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
                    foreach ($formParamValueItems as $formParamValueItem) {
                        $multipartContents[] = [
                            'name' => $formParamName,
                            'contents' => $formParamValueItem
                        ];
                    }
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
            }
        }


        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
        return new Request(
            'GET',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation submitShipmentConfirmations
     *
     * @param  \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsRequest $body body (required)
     *
     * @throws \SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse
     */
    public function submitShipmentConfirmations($body)
    {
        $response = $this->submitShipmentConfirmationsWithHttpInfo($body);
        return $response;
    }

    /**
     * Operation submitShipmentConfirmationsWithHttpInfo
     *
     * @param  \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsRequest $body (required)
     *
     * @throws \SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse, HTTP status code, HTTP response headers (array of strings)
     */
    public function submitShipmentConfirmationsWithHttpInfo($body)
    {
        $request = $this->submitShipmentConfirmationsRequest($body);
        $signedRequest = $this->config->signRequest(
            $request
        );

        $this->writeDebug($signedRequest);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($signedRequest, $options);
                $this->writeDebug($response);
                $this->writeDebug((string) $response->getBody());
            } catch (RequestException $e) {
                $body = (string) $e->getResponse()->getBody();
                $this->writeDebug($e->getResponse());
                $this->writeDebug($body);
                throw new ApiException(
                    "[{$e->getCode()}] {$body}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $body : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $signedRequest->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()->getContents()
                );
            }

            $responseBody = $response->getBody();
            switch($statusCode) {
                case 202:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse', $response->getHeaders());
                case 400:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse', $response->getHeaders());
                case 403:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse', $response->getHeaders());
                case 404:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse', $response->getHeaders());
                case 413:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse', $response->getHeaders());
                case 415:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse', $response->getHeaders());
                case 429:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse', $response->getHeaders());
                case 500:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse', $response->getHeaders());
                case 503:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse', $response->getHeaders());
            }

            $returnType = '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse';
            $responseBody = $response->getBody();
            if ($returnType === '\SplFileObject') {
                $content = $responseBody; //stream goes to serializer
            } else {
                $content = (string) $responseBody;
            }

            return ObjectSerializer::deserialize($content, $returnType, $response->getHeaders());

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 202:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 403:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 404:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 413:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 415:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 429:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 503:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            $this->writeDebug($e);
            throw $e;
        }
    }

    /**
     * Operation submitShipmentConfirmationsAsync
     *
     * 
     *
     * @param  \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsRequest $body (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function submitShipmentConfirmationsAsync($body)
    {
        return $this->submitShipmentConfirmationsAsyncWithHttpInfo($body)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation submitShipmentConfirmationsAsyncWithHttpInfo
     *
     * 
     *
     * @param  \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsRequest $body (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function submitShipmentConfirmationsAsyncWithHttpInfo($body)
    {
        $returnType = '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsResponse';
        $request = $this->submitShipmentConfirmationsRequest($body);
        $signedRequest = $this->config->signRequest(
            $request
        );

        $this->writeDebug($signedRequest);

        return $this->client
            ->sendAsync($signedRequest, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    $this->writeDebug($response);
                    $responseBody = $response->getBody();
                    if ($returnType === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, $returnType, $response->getHeaders());
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $body = (string) $response->getBody();
                    $this->writeDebug($response);
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $body
                    );
                }
            );
    }

    /**
     * Create request for operation 'submitShipmentConfirmations'
     *
     * @param  \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentConfirmationsRequest $body (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function submitShipmentConfirmationsRequest($body)
    {
        // verify the required parameter 'body' is set
        if ($body === null || (is_array($body) && count($body) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $body when calling submitShipmentConfirmations'
            );
        }

        $resourcePath = '/vendor/directFulfillment/shipping/v1/shipmentConfirmations';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json'],
                ['application/json']
            );
        }

        // for model (json/xml)
        if (isset($body)) {
            if ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($body));
            } else {
                $httpBody = $body;
            }
        } elseif (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
                    foreach ($formParamValueItems as $formParamValueItem) {
                        $multipartContents[] = [
                            'name' => $formParamName,
                            'contents' => $formParamValueItem
                        ];
                    }
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
            }
        }


        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
        return new Request(
            'POST',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation submitShipmentStatusUpdates
     *
     * @param  \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesRequest $body body (required)
     *
     * @throws \SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse
     */
    public function submitShipmentStatusUpdates($body)
    {
        $response = $this->submitShipmentStatusUpdatesWithHttpInfo($body);
        return $response;
    }

    /**
     * Operation submitShipmentStatusUpdatesWithHttpInfo
     *
     * @param  \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesRequest $body (required)
     *
     * @throws \SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse, HTTP status code, HTTP response headers (array of strings)
     */
    public function submitShipmentStatusUpdatesWithHttpInfo($body)
    {
        $request = $this->submitShipmentStatusUpdatesRequest($body);
        $signedRequest = $this->config->signRequest(
            $request
        );

        $this->writeDebug($signedRequest);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($signedRequest, $options);
                $this->writeDebug($response);
                $this->writeDebug((string) $response->getBody());
            } catch (RequestException $e) {
                $body = (string) $e->getResponse()->getBody();
                $this->writeDebug($e->getResponse());
                $this->writeDebug($body);
                throw new ApiException(
                    "[{$e->getCode()}] {$body}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $body : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $signedRequest->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()->getContents()
                );
            }

            $responseBody = $response->getBody();
            switch($statusCode) {
                case 202:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse', $response->getHeaders());
                case 400:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse', $response->getHeaders());
                case 403:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse', $response->getHeaders());
                case 404:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse', $response->getHeaders());
                case 413:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse', $response->getHeaders());
                case 415:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse', $response->getHeaders());
                case 429:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse', $response->getHeaders());
                case 500:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse', $response->getHeaders());
                case 503:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse', $response->getHeaders());
            }

            $returnType = '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse';
            $responseBody = $response->getBody();
            if ($returnType === '\SplFileObject') {
                $content = $responseBody; //stream goes to serializer
            } else {
                $content = (string) $responseBody;
            }

            return ObjectSerializer::deserialize($content, $returnType, $response->getHeaders());

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 202:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 403:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 404:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 413:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 415:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 429:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 503:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            $this->writeDebug($e);
            throw $e;
        }
    }

    /**
     * Operation submitShipmentStatusUpdatesAsync
     *
     * 
     *
     * @param  \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesRequest $body (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function submitShipmentStatusUpdatesAsync($body)
    {
        return $this->submitShipmentStatusUpdatesAsyncWithHttpInfo($body)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation submitShipmentStatusUpdatesAsyncWithHttpInfo
     *
     * 
     *
     * @param  \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesRequest $body (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function submitShipmentStatusUpdatesAsyncWithHttpInfo($body)
    {
        $returnType = '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesResponse';
        $request = $this->submitShipmentStatusUpdatesRequest($body);
        $signedRequest = $this->config->signRequest(
            $request
        );

        $this->writeDebug($signedRequest);

        return $this->client
            ->sendAsync($signedRequest, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    $this->writeDebug($response);
                    $responseBody = $response->getBody();
                    if ($returnType === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, $returnType, $response->getHeaders());
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $body = (string) $response->getBody();
                    $this->writeDebug($response);
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $body
                    );
                }
            );
    }

    /**
     * Create request for operation 'submitShipmentStatusUpdates'
     *
     * @param  \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShipmentStatusUpdatesRequest $body (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function submitShipmentStatusUpdatesRequest($body)
    {
        // verify the required parameter 'body' is set
        if ($body === null || (is_array($body) && count($body) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $body when calling submitShipmentStatusUpdates'
            );
        }

        $resourcePath = '/vendor/directFulfillment/shipping/v1/shipmentStatusUpdates';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json'],
                ['application/json']
            );
        }

        // for model (json/xml)
        if (isset($body)) {
            if ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($body));
            } else {
                $httpBody = $body;
            }
        } elseif (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
                    foreach ($formParamValueItems as $formParamValueItem) {
                        $multipartContents[] = [
                            'name' => $formParamName,
                            'contents' => $formParamValueItem
                        ];
                    }
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
            }
        }


        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
        return new Request(
            'POST',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation submitShippingLabelRequest
     *
     * @param  \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsRequest $body body (required)
     *
     * @throws \SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse
     */
    public function submitShippingLabelRequest($body)
    {
        $response = $this->submitShippingLabelRequestWithHttpInfo($body);
        return $response;
    }

    /**
     * Operation submitShippingLabelRequestWithHttpInfo
     *
     * @param  \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsRequest $body (required)
     *
     * @throws \SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse, HTTP status code, HTTP response headers (array of strings)
     */
    public function submitShippingLabelRequestWithHttpInfo($body)
    {
        $request = $this->submitShippingLabelRequestRequest($body);
        $signedRequest = $this->config->signRequest(
            $request
        );

        $this->writeDebug($signedRequest);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($signedRequest, $options);
                $this->writeDebug($response);
                $this->writeDebug((string) $response->getBody());
            } catch (RequestException $e) {
                $body = (string) $e->getResponse()->getBody();
                $this->writeDebug($e->getResponse());
                $this->writeDebug($body);
                throw new ApiException(
                    "[{$e->getCode()}] {$body}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $body : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $signedRequest->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()->getContents()
                );
            }

            $responseBody = $response->getBody();
            switch($statusCode) {
                case 202:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse', $response->getHeaders());
                case 400:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse', $response->getHeaders());
                case 403:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse', $response->getHeaders());
                case 404:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse', $response->getHeaders());
                case 413:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse', $response->getHeaders());
                case 415:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse', $response->getHeaders());
                case 429:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse', $response->getHeaders());
                case 500:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse', $response->getHeaders());
                case 503:
                    if ('\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse' === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse', $response->getHeaders());
            }

            $returnType = '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse';
            $responseBody = $response->getBody();
            if ($returnType === '\SplFileObject') {
                $content = $responseBody; //stream goes to serializer
            } else {
                $content = (string) $responseBody;
            }

            return ObjectSerializer::deserialize($content, $returnType, $response->getHeaders());

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 202:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 403:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 404:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 413:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 415:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 429:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 503:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            $this->writeDebug($e);
            throw $e;
        }
    }

    /**
     * Operation submitShippingLabelRequestAsync
     *
     * 
     *
     * @param  \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsRequest $body (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function submitShippingLabelRequestAsync($body)
    {
        return $this->submitShippingLabelRequestAsyncWithHttpInfo($body)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation submitShippingLabelRequestAsyncWithHttpInfo
     *
     * 
     *
     * @param  \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsRequest $body (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function submitShippingLabelRequestAsyncWithHttpInfo($body)
    {
        $returnType = '\SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsResponse';
        $request = $this->submitShippingLabelRequestRequest($body);
        $signedRequest = $this->config->signRequest(
            $request
        );

        $this->writeDebug($signedRequest);

        return $this->client
            ->sendAsync($signedRequest, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    $this->writeDebug($response);
                    $responseBody = $response->getBody();
                    if ($returnType === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = (string) $responseBody;
                    }

                    return ObjectSerializer::deserialize($content, $returnType, $response->getHeaders());
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $body = (string) $response->getBody();
                    $this->writeDebug($response);
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $body
                    );
                }
            );
    }

    /**
     * Create request for operation 'submitShippingLabelRequest'
     *
     * @param  \SellingPartnerApi\Model\VendorDirectFulfillmentShipping\SubmitShippingLabelsRequest $body (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function submitShippingLabelRequestRequest($body)
    {
        // verify the required parameter 'body' is set
        if ($body === null || (is_array($body) && count($body) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $body when calling submitShippingLabelRequest'
            );
        }

        $resourcePath = '/vendor/directFulfillment/shipping/v1/shippingLabels';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json'],
                ['application/json']
            );
        }

        // for model (json/xml)
        if (isset($body)) {
            if ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($body));
            } else {
                $httpBody = $body;
            }
        } elseif (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
                    foreach ($formParamValueItems as $formParamValueItem) {
                        $multipartContents[] = [
                            'name' => $formParamName,
                            'contents' => $formParamValueItem
                        ];
                    }
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
            }
        }


        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
        return new Request(
            'POST',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Create http client option
     *
     * @throws \RuntimeException on file opening failure
     * @return array of http client options
     */
    protected function createHttpClientOption()
    {
        $options = [];
        if ($this->config->getDebug()) {
            $options[RequestOptions::DEBUG] = fopen($this->config->getDebugFile(), 'a');
            if (!$options[RequestOptions::DEBUG]) {
                throw new \RuntimeException('Failed to open the debug file: ' . $this->config->getDebugFile());
            }
        }

        return $options;
    }

    /**
     * Writes to the debug log file
     *
     * @param any $data
     * @return void
     */
    private function writeDebug($data)
    {
        if ($this->config->getDebug()) {
            file_put_contents($this->config->getDebugFile(), '[' . date('Y-m-d H:i:s') . ']: ' . print_r($data, true) . "\n", FILE_APPEND);
        }
    }
}
