<?php
/**
 * DefaultApi
 * PHP version 7.2
 *
 * @category Class
 * @package  Evers\SellingPartnerApi
 * @author   OpenAPI Generator team
 * @link     https://openapi-generator.tech
 */

/**
 * Selling Partner API for Finances
 *
 * The Selling Partner API for Finances helps you obtain financial information relevant to a seller's business. You can obtain financial events for a given order, financial event group, or date range without having to wait until a statement period closes. You can also obtain financial event groups for a given date range.
 *
 * The version of the OpenAPI document: v0
 * 
 * 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 Evers\SellingPartnerApi\Api;

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

/**
 * DefaultApi Class Doc Comment
 *
 * @category Class
 * @package  Evers\SellingPartnerApi
 * @author   OpenAPI Generator team
 * @link     https://openapi-generator.tech
 */
class DefaultApi
{
    /**
     * @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 = null,
        ClientInterface $client = null,
        HeaderSelector $selector = null,
        $hostIndex = 0
    ) {
        $this->client = $client ?: new Client();
        $this->config = $config ?: new Configuration();
        $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 listFinancialEventGroups
     *
     * @param  int $max_results_per_page The maximum number of results to return per page. (optional, default to 100)
     * @param  \DateTime $financial_event_group_started_before A date used for selecting financial event groups that opened before (but not at) a specified date and time, in ISO 8601 format. The date-time  must be later than FinancialEventGroupStartedAfter and no later than two minutes before the request was submitted. If FinancialEventGroupStartedAfter and FinancialEventGroupStartedBefore are more than 180 days apart, no financial event groups are returned. (optional)
     * @param  \DateTime $financial_event_group_started_after A date used for selecting financial event groups that opened after (or at) a specified date and time, in ISO 8601 format. The date-time must be no later than two minutes before the request was submitted. (optional)
     * @param  string $next_token A string token returned in the response of your previous request. (optional)
     *
     * @throws \Evers\SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return \Evers\SellingPartnerApi\Model\ListFinancialEventGroupsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventGroupsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventGroupsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventGroupsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventGroupsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventGroupsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventGroupsResponse
     */
    public function listFinancialEventGroups($max_results_per_page = 100, $financial_event_group_started_before = null, $financial_event_group_started_after = null, $next_token = null)
    {
        list($response) = $this->listFinancialEventGroupsWithHttpInfo($max_results_per_page, $financial_event_group_started_before, $financial_event_group_started_after, $next_token);
        return $response;
    }

    /**
     * Operation listFinancialEventGroupsWithHttpInfo
     *
     * @param  int $max_results_per_page The maximum number of results to return per page. (optional, default to 100)
     * @param  \DateTime $financial_event_group_started_before A date used for selecting financial event groups that opened before (but not at) a specified date and time, in ISO 8601 format. The date-time  must be later than FinancialEventGroupStartedAfter and no later than two minutes before the request was submitted. If FinancialEventGroupStartedAfter and FinancialEventGroupStartedBefore are more than 180 days apart, no financial event groups are returned. (optional)
     * @param  \DateTime $financial_event_group_started_after A date used for selecting financial event groups that opened after (or at) a specified date and time, in ISO 8601 format. The date-time must be no later than two minutes before the request was submitted. (optional)
     * @param  string $next_token A string token returned in the response of your previous request. (optional)
     *
     * @throws \Evers\SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of \Evers\SellingPartnerApi\Model\ListFinancialEventGroupsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventGroupsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventGroupsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventGroupsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventGroupsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventGroupsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventGroupsResponse, HTTP status code, HTTP response headers (array of strings)
     */
    public function listFinancialEventGroupsWithHttpInfo($max_results_per_page = 100, $financial_event_group_started_before = null, $financial_event_group_started_after = null, $next_token = null)
    {
        $this->config->startRequestGeneration();
        $request = $this->listFinancialEventGroupsRequest($max_results_per_page, $financial_event_group_started_before, $financial_event_group_started_after, $next_token);
        $signedRequest = $this->config->signRequest($request);
        $this->config->endRequestGeneration();

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

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

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

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

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

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

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

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

                    return [
                        ObjectSerializer::deserialize($content, '\Evers\SellingPartnerApi\Model\ListFinancialEventGroupsResponse', []),
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
            }

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

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

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

    /**
     * Operation listFinancialEventGroupsAsync
     *
     * 
     *
     * @param  int $max_results_per_page The maximum number of results to return per page. (optional, default to 100)
     * @param  \DateTime $financial_event_group_started_before A date used for selecting financial event groups that opened before (but not at) a specified date and time, in ISO 8601 format. The date-time  must be later than FinancialEventGroupStartedAfter and no later than two minutes before the request was submitted. If FinancialEventGroupStartedAfter and FinancialEventGroupStartedBefore are more than 180 days apart, no financial event groups are returned. (optional)
     * @param  \DateTime $financial_event_group_started_after A date used for selecting financial event groups that opened after (or at) a specified date and time, in ISO 8601 format. The date-time must be no later than two minutes before the request was submitted. (optional)
     * @param  string $next_token A string token returned in the response of your previous request. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function listFinancialEventGroupsAsync($max_results_per_page = 100, $financial_event_group_started_before = null, $financial_event_group_started_after = null, $next_token = null)
    {
        return $this->listFinancialEventGroupsAsyncWithHttpInfo($max_results_per_page, $financial_event_group_started_before, $financial_event_group_started_after, $next_token)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation listFinancialEventGroupsAsyncWithHttpInfo
     *
     * 
     *
     * @param  int $max_results_per_page The maximum number of results to return per page. (optional, default to 100)
     * @param  \DateTime $financial_event_group_started_before A date used for selecting financial event groups that opened before (but not at) a specified date and time, in ISO 8601 format. The date-time  must be later than FinancialEventGroupStartedAfter and no later than two minutes before the request was submitted. If FinancialEventGroupStartedAfter and FinancialEventGroupStartedBefore are more than 180 days apart, no financial event groups are returned. (optional)
     * @param  \DateTime $financial_event_group_started_after A date used for selecting financial event groups that opened after (or at) a specified date and time, in ISO 8601 format. The date-time must be no later than two minutes before the request was submitted. (optional)
     * @param  string $next_token A string token returned in the response of your previous request. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function listFinancialEventGroupsAsyncWithHttpInfo($max_results_per_page = 100, $financial_event_group_started_before = null, $financial_event_group_started_after = null, $next_token = null)
    {
        $returnType = '\Evers\SellingPartnerApi\Model\ListFinancialEventGroupsResponse';
        $this->config->startRequestGeneration();
        $request = $this->listFinancialEventGroupsRequest($max_results_per_page, $financial_event_group_started_before, $financial_event_group_started_after, $next_token);
        $signedRequest = $this->config->signRequest($request);
        $this->config->endRequestGeneration();

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

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

    /**
     * Create request for operation 'listFinancialEventGroups'
     *
     * @param  int $max_results_per_page The maximum number of results to return per page. (optional, default to 100)
     * @param  \DateTime $financial_event_group_started_before A date used for selecting financial event groups that opened before (but not at) a specified date and time, in ISO 8601 format. The date-time  must be later than FinancialEventGroupStartedAfter and no later than two minutes before the request was submitted. If FinancialEventGroupStartedAfter and FinancialEventGroupStartedBefore are more than 180 days apart, no financial event groups are returned. (optional)
     * @param  \DateTime $financial_event_group_started_after A date used for selecting financial event groups that opened after (or at) a specified date and time, in ISO 8601 format. The date-time must be no later than two minutes before the request was submitted. (optional)
     * @param  string $next_token A string token returned in the response of your previous request. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function listFinancialEventGroupsRequest($max_results_per_page = 100, $financial_event_group_started_before = null, $financial_event_group_started_after = null, $next_token = null)
    {
        if ($max_results_per_page !== null && $max_results_per_page > 100) {
            throw new \InvalidArgumentException('invalid value for "$max_results_per_page" when calling DefaultApi.listFinancialEventGroups, must be smaller than or equal to 100.');
        }
        if ($max_results_per_page !== null && $max_results_per_page < 1) {
            throw new \InvalidArgumentException('invalid value for "$max_results_per_page" when calling DefaultApi.listFinancialEventGroups, must be bigger than or equal to 1.');
        }


        $resourcePath = '/finances/v0/financialEventGroups';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        // query params
        if (is_array($max_results_per_page)) {
            $max_results_per_page = ObjectSerializer::serializeCollection($max_results_per_page, '', true);
        }
        if ($max_results_per_page !== null) {
            $queryParams['MaxResultsPerPage'] = $max_results_per_page;
        }
        // query params
        if (is_array($financial_event_group_started_before)) {
            $financial_event_group_started_before = ObjectSerializer::serializeCollection($financial_event_group_started_before, '', true);
        }
        if ($financial_event_group_started_before !== null) {
            $queryParams['FinancialEventGroupStartedBefore'] = $financial_event_group_started_before;
        }
        // query params
        if (is_array($financial_event_group_started_after)) {
            $financial_event_group_started_after = ObjectSerializer::serializeCollection($financial_event_group_started_after, '', true);
        }
        if ($financial_event_group_started_after !== null) {
            $queryParams['FinancialEventGroupStartedAfter'] = $financial_event_group_started_after;
        }
        // query params
        if (is_array($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)
                $httpBody = \GuzzleHttp\Psr7\build_query($formParams);
            }
        }


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

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

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

    /**
     * Operation listFinancialEvents
     *
     * @param  int $max_results_per_page The maximum number of results to return per page. (optional, default to 100)
     * @param  \DateTime $posted_after A date used for selecting financial events posted after (or at) a specified time. The date-time must be no later than two minutes before the request was submitted, in ISO 8601 date time format. (optional)
     * @param  \DateTime $posted_before A date used for selecting financial events posted before (but not at) a specified time. The date-time must be later than PostedAfter and no later than two minutes before the request was submitted, in ISO 8601 date time format. If PostedAfter and PostedBefore are more than 180 days apart, no financial events are returned. You must specify the PostedAfter parameter if you specify the PostedBefore parameter. Default: Now minus two minutes. (optional)
     * @param  string $next_token A string token returned in the response of your previous request. (optional)
     *
     * @throws \Evers\SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return \Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse
     */
    public function listFinancialEvents($max_results_per_page = 100, $posted_after = null, $posted_before = null, $next_token = null)
    {
        list($response) = $this->listFinancialEventsWithHttpInfo($max_results_per_page, $posted_after, $posted_before, $next_token);
        return $response;
    }

    /**
     * Operation listFinancialEventsWithHttpInfo
     *
     * @param  int $max_results_per_page The maximum number of results to return per page. (optional, default to 100)
     * @param  \DateTime $posted_after A date used for selecting financial events posted after (or at) a specified time. The date-time must be no later than two minutes before the request was submitted, in ISO 8601 date time format. (optional)
     * @param  \DateTime $posted_before A date used for selecting financial events posted before (but not at) a specified time. The date-time must be later than PostedAfter and no later than two minutes before the request was submitted, in ISO 8601 date time format. If PostedAfter and PostedBefore are more than 180 days apart, no financial events are returned. You must specify the PostedAfter parameter if you specify the PostedBefore parameter. Default: Now minus two minutes. (optional)
     * @param  string $next_token A string token returned in the response of your previous request. (optional)
     *
     * @throws \Evers\SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of \Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse, HTTP status code, HTTP response headers (array of strings)
     */
    public function listFinancialEventsWithHttpInfo($max_results_per_page = 100, $posted_after = null, $posted_before = null, $next_token = null)
    {
        $this->config->startRequestGeneration();
        $request = $this->listFinancialEventsRequest($max_results_per_page, $posted_after, $posted_before, $next_token);
        $signedRequest = $this->config->signRequest($request);
        $this->config->endRequestGeneration();

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

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

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

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

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

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

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

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

                    return [
                        ObjectSerializer::deserialize($content, '\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse', []),
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
            }

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

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

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

    /**
     * Operation listFinancialEventsAsync
     *
     * 
     *
     * @param  int $max_results_per_page The maximum number of results to return per page. (optional, default to 100)
     * @param  \DateTime $posted_after A date used for selecting financial events posted after (or at) a specified time. The date-time must be no later than two minutes before the request was submitted, in ISO 8601 date time format. (optional)
     * @param  \DateTime $posted_before A date used for selecting financial events posted before (but not at) a specified time. The date-time must be later than PostedAfter and no later than two minutes before the request was submitted, in ISO 8601 date time format. If PostedAfter and PostedBefore are more than 180 days apart, no financial events are returned. You must specify the PostedAfter parameter if you specify the PostedBefore parameter. Default: Now minus two minutes. (optional)
     * @param  string $next_token A string token returned in the response of your previous request. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function listFinancialEventsAsync($max_results_per_page = 100, $posted_after = null, $posted_before = null, $next_token = null)
    {
        return $this->listFinancialEventsAsyncWithHttpInfo($max_results_per_page, $posted_after, $posted_before, $next_token)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation listFinancialEventsAsyncWithHttpInfo
     *
     * 
     *
     * @param  int $max_results_per_page The maximum number of results to return per page. (optional, default to 100)
     * @param  \DateTime $posted_after A date used for selecting financial events posted after (or at) a specified time. The date-time must be no later than two minutes before the request was submitted, in ISO 8601 date time format. (optional)
     * @param  \DateTime $posted_before A date used for selecting financial events posted before (but not at) a specified time. The date-time must be later than PostedAfter and no later than two minutes before the request was submitted, in ISO 8601 date time format. If PostedAfter and PostedBefore are more than 180 days apart, no financial events are returned. You must specify the PostedAfter parameter if you specify the PostedBefore parameter. Default: Now minus two minutes. (optional)
     * @param  string $next_token A string token returned in the response of your previous request. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function listFinancialEventsAsyncWithHttpInfo($max_results_per_page = 100, $posted_after = null, $posted_before = null, $next_token = null)
    {
        $returnType = '\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse';
        $this->config->startRequestGeneration();
        $request = $this->listFinancialEventsRequest($max_results_per_page, $posted_after, $posted_before, $next_token);
        $signedRequest = $this->config->signRequest($request);
        $this->config->endRequestGeneration();

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

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

    /**
     * Create request for operation 'listFinancialEvents'
     *
     * @param  int $max_results_per_page The maximum number of results to return per page. (optional, default to 100)
     * @param  \DateTime $posted_after A date used for selecting financial events posted after (or at) a specified time. The date-time must be no later than two minutes before the request was submitted, in ISO 8601 date time format. (optional)
     * @param  \DateTime $posted_before A date used for selecting financial events posted before (but not at) a specified time. The date-time must be later than PostedAfter and no later than two minutes before the request was submitted, in ISO 8601 date time format. If PostedAfter and PostedBefore are more than 180 days apart, no financial events are returned. You must specify the PostedAfter parameter if you specify the PostedBefore parameter. Default: Now minus two minutes. (optional)
     * @param  string $next_token A string token returned in the response of your previous request. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function listFinancialEventsRequest($max_results_per_page = 100, $posted_after = null, $posted_before = null, $next_token = null)
    {
        if ($max_results_per_page !== null && $max_results_per_page > 100) {
            throw new \InvalidArgumentException('invalid value for "$max_results_per_page" when calling DefaultApi.listFinancialEvents, must be smaller than or equal to 100.');
        }
        if ($max_results_per_page !== null && $max_results_per_page < 1) {
            throw new \InvalidArgumentException('invalid value for "$max_results_per_page" when calling DefaultApi.listFinancialEvents, must be bigger than or equal to 1.');
        }


        $resourcePath = '/finances/v0/financialEvents';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        // query params
        if (is_array($max_results_per_page)) {
            $max_results_per_page = ObjectSerializer::serializeCollection($max_results_per_page, '', true);
        }
        if ($max_results_per_page !== null) {
            $queryParams['MaxResultsPerPage'] = $max_results_per_page;
        }
        // query params
        if (is_array($posted_after)) {
            $posted_after = ObjectSerializer::serializeCollection($posted_after, '', true);
        }
        if ($posted_after !== null) {
            $queryParams['PostedAfter'] = $posted_after;
        }
        // query params
        if (is_array($posted_before)) {
            $posted_before = ObjectSerializer::serializeCollection($posted_before, '', true);
        }
        if ($posted_before !== null) {
            $queryParams['PostedBefore'] = $posted_before;
        }
        // query params
        if (is_array($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)
                $httpBody = \GuzzleHttp\Psr7\build_query($formParams);
            }
        }


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

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

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

    /**
     * Operation listFinancialEventsByGroupId
     *
     * @param  string $event_group_id The identifier of the financial event group to which the events belong. (required)
     * @param  int $max_results_per_page The maximum number of results to return per page. (optional, default to 100)
     * @param  string $next_token A string token returned in the response of your previous request. (optional)
     *
     * @throws \Evers\SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return \Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse
     */
    public function listFinancialEventsByGroupId($event_group_id, $max_results_per_page = 100, $next_token = null)
    {
        list($response) = $this->listFinancialEventsByGroupIdWithHttpInfo($event_group_id, $max_results_per_page, $next_token);
        return $response;
    }

    /**
     * Operation listFinancialEventsByGroupIdWithHttpInfo
     *
     * @param  string $event_group_id The identifier of the financial event group to which the events belong. (required)
     * @param  int $max_results_per_page The maximum number of results to return per page. (optional, default to 100)
     * @param  string $next_token A string token returned in the response of your previous request. (optional)
     *
     * @throws \Evers\SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of \Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse, HTTP status code, HTTP response headers (array of strings)
     */
    public function listFinancialEventsByGroupIdWithHttpInfo($event_group_id, $max_results_per_page = 100, $next_token = null)
    {
        $this->config->startRequestGeneration();
        $request = $this->listFinancialEventsByGroupIdRequest($event_group_id, $max_results_per_page, $next_token);
        $signedRequest = $this->config->signRequest($request);
        $this->config->endRequestGeneration();

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

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

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

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

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

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

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

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

                    return [
                        ObjectSerializer::deserialize($content, '\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse', []),
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
            }

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

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

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

    /**
     * Operation listFinancialEventsByGroupIdAsync
     *
     * 
     *
     * @param  string $event_group_id The identifier of the financial event group to which the events belong. (required)
     * @param  int $max_results_per_page The maximum number of results to return per page. (optional, default to 100)
     * @param  string $next_token A string token returned in the response of your previous request. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function listFinancialEventsByGroupIdAsync($event_group_id, $max_results_per_page = 100, $next_token = null)
    {
        return $this->listFinancialEventsByGroupIdAsyncWithHttpInfo($event_group_id, $max_results_per_page, $next_token)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation listFinancialEventsByGroupIdAsyncWithHttpInfo
     *
     * 
     *
     * @param  string $event_group_id The identifier of the financial event group to which the events belong. (required)
     * @param  int $max_results_per_page The maximum number of results to return per page. (optional, default to 100)
     * @param  string $next_token A string token returned in the response of your previous request. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function listFinancialEventsByGroupIdAsyncWithHttpInfo($event_group_id, $max_results_per_page = 100, $next_token = null)
    {
        $returnType = '\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse';
        $this->config->startRequestGeneration();
        $request = $this->listFinancialEventsByGroupIdRequest($event_group_id, $max_results_per_page, $next_token);
        $signedRequest = $this->config->signRequest($request);
        $this->config->endRequestGeneration();

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

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

    /**
     * Create request for operation 'listFinancialEventsByGroupId'
     *
     * @param  string $event_group_id The identifier of the financial event group to which the events belong. (required)
     * @param  int $max_results_per_page The maximum number of results to return per page. (optional, default to 100)
     * @param  string $next_token A string token returned in the response of your previous request. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function listFinancialEventsByGroupIdRequest($event_group_id, $max_results_per_page = 100, $next_token = null)
    {
        // verify the required parameter 'event_group_id' is set
        if ($event_group_id === null || (is_array($event_group_id) && count($event_group_id) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $event_group_id when calling listFinancialEventsByGroupId'
            );
        }
        if ($max_results_per_page !== null && $max_results_per_page > 100) {
            throw new \InvalidArgumentException('invalid value for "$max_results_per_page" when calling DefaultApi.listFinancialEventsByGroupId, must be smaller than or equal to 100.');
        }
        if ($max_results_per_page !== null && $max_results_per_page < 1) {
            throw new \InvalidArgumentException('invalid value for "$max_results_per_page" when calling DefaultApi.listFinancialEventsByGroupId, must be bigger than or equal to 1.');
        }


        $resourcePath = '/finances/v0/financialEventGroups/{eventGroupId}/financialEvents';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

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


        // path params
        if ($event_group_id !== null) {
            $resourcePath = str_replace(
                '{' . 'eventGroupId' . '}',
                ObjectSerializer::toPathValue($event_group_id),
                $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)
                $httpBody = \GuzzleHttp\Psr7\build_query($formParams);
            }
        }


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

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

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

    /**
     * Operation listFinancialEventsByOrderId
     *
     * @param  string $order_id An Amazon-defined order identifier, in 3-7-7 format. (required)
     * @param  int $max_results_per_page The maximum number of results to return per page. (optional, default to 100)
     * @param  string $next_token A string token returned in the response of your previous request. (optional)
     *
     * @throws \Evers\SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return \Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse
     */
    public function listFinancialEventsByOrderId($order_id, $max_results_per_page = 100, $next_token = null)
    {
        list($response) = $this->listFinancialEventsByOrderIdWithHttpInfo($order_id, $max_results_per_page, $next_token);
        return $response;
    }

    /**
     * Operation listFinancialEventsByOrderIdWithHttpInfo
     *
     * @param  string $order_id An Amazon-defined order identifier, in 3-7-7 format. (required)
     * @param  int $max_results_per_page The maximum number of results to return per page. (optional, default to 100)
     * @param  string $next_token A string token returned in the response of your previous request. (optional)
     *
     * @throws \Evers\SellingPartnerApi\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of \Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse|\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse, HTTP status code, HTTP response headers (array of strings)
     */
    public function listFinancialEventsByOrderIdWithHttpInfo($order_id, $max_results_per_page = 100, $next_token = null)
    {
        $this->config->startRequestGeneration();
        $request = $this->listFinancialEventsByOrderIdRequest($order_id, $max_results_per_page, $next_token);
        $signedRequest = $this->config->signRequest($request);
        $this->config->endRequestGeneration();

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

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

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

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

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

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

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

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

                    return [
                        ObjectSerializer::deserialize($content, '\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse', []),
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
            }

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

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

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

    /**
     * Operation listFinancialEventsByOrderIdAsync
     *
     * 
     *
     * @param  string $order_id An Amazon-defined order identifier, in 3-7-7 format. (required)
     * @param  int $max_results_per_page The maximum number of results to return per page. (optional, default to 100)
     * @param  string $next_token A string token returned in the response of your previous request. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function listFinancialEventsByOrderIdAsync($order_id, $max_results_per_page = 100, $next_token = null)
    {
        return $this->listFinancialEventsByOrderIdAsyncWithHttpInfo($order_id, $max_results_per_page, $next_token)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation listFinancialEventsByOrderIdAsyncWithHttpInfo
     *
     * 
     *
     * @param  string $order_id An Amazon-defined order identifier, in 3-7-7 format. (required)
     * @param  int $max_results_per_page The maximum number of results to return per page. (optional, default to 100)
     * @param  string $next_token A string token returned in the response of your previous request. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function listFinancialEventsByOrderIdAsyncWithHttpInfo($order_id, $max_results_per_page = 100, $next_token = null)
    {
        $returnType = '\Evers\SellingPartnerApi\Model\ListFinancialEventsResponse';
        $this->config->startRequestGeneration();
        $request = $this->listFinancialEventsByOrderIdRequest($order_id, $max_results_per_page, $next_token);
        $signedRequest = $this->config->signRequest($request);
        $this->config->endRequestGeneration();

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

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

    /**
     * Create request for operation 'listFinancialEventsByOrderId'
     *
     * @param  string $order_id An Amazon-defined order identifier, in 3-7-7 format. (required)
     * @param  int $max_results_per_page The maximum number of results to return per page. (optional, default to 100)
     * @param  string $next_token A string token returned in the response of your previous request. (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function listFinancialEventsByOrderIdRequest($order_id, $max_results_per_page = 100, $next_token = null)
    {
        // verify the required parameter 'order_id' is set
        if ($order_id === null || (is_array($order_id) && count($order_id) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $order_id when calling listFinancialEventsByOrderId'
            );
        }
        if ($max_results_per_page !== null && $max_results_per_page > 100) {
            throw new \InvalidArgumentException('invalid value for "$max_results_per_page" when calling DefaultApi.listFinancialEventsByOrderId, must be smaller than or equal to 100.');
        }
        if ($max_results_per_page !== null && $max_results_per_page < 1) {
            throw new \InvalidArgumentException('invalid value for "$max_results_per_page" when calling DefaultApi.listFinancialEventsByOrderId, must be bigger than or equal to 1.');
        }


        $resourcePath = '/finances/v0/orders/{orderId}/financialEvents';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

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


        // path params
        if ($order_id !== null) {
            $resourcePath = str_replace(
                '{' . 'orderId' . '}',
                ObjectSerializer::toPathValue($order_id),
                $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)
                $httpBody = \GuzzleHttp\Psr7\build_query($formParams);
            }
        }


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

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

        $query = \GuzzleHttp\Psr7\build_query($queryParams);
        return new Request(
            'GET',
            $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;
    }
}
