<?php
/**
 * SegmentsApi
 * PHP version 7.4
 *
 * @category Class
 * @package  KlaviyoAPI
 * @author   OpenAPI Generator team
 * @link     https://openapi-generator.tech
 */

/**
 * Klaviyo API
 *
 * The Klaviyo REST API. Please visit https://developers.klaviyo.com for more details.
 *
 * Contact: developers@klaviyo.com
 * Generated by: https://openapi-generator.tech
 * OpenAPI Generator version: 6.1.0
 */

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

namespace KlaviyoAPI\API;

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

/**
 * SegmentsApi Class Doc Comment
 *
 * @category Class
 * @package  KlaviyoAPI
 * @author   OpenAPI Generator team
 * @link     https://openapi-generator.tech
 */
class SegmentsApi
{
    /**
     * @var ClientInterface
     */
    protected $client;

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

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

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

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

    /**
     * Set the host index
     *
     * @param int $hostIndex Host index (required)
     */
    public function setHostIndex($hostIndex): void
    {
        $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 createSegment
     *
     * Create Segment
     *
     * @param  \KlaviyoAPI\Model\SegmentCreateQuery $segment_create_query segment_create_query (required)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response
     */
    public function createSegment($segment_create_query, $apiKey = null)
    {
        list($response) = $this->createSegmentWithHttpInfo($segment_create_query, $apiKey);
        return $response;
    }

    /**
     * Operation createSegmentWithHttpInfo
     *
     * Create Segment
     *
     * @param  \KlaviyoAPI\Model\SegmentCreateQuery $segment_create_query (required)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response, HTTP status code, HTTP response headers (array of strings)
     */
    public function createSegmentWithHttpInfo($segment_create_query, $apiKey = null)
    {
        $request = $this->createSegmentRequest($segment_create_query, $apiKey);

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

            $statusCode = $response->getStatusCode();

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

            switch($statusCode) {
                case 201:
                    if ('array<string,mixed>' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('array&lt;string,mixed&gt;' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 400:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 500:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
            }

            $returnType = 'array<string,mixed>';
            if ($returnType === '\SplFileObject') {
                $content = $response->getBody(); //stream goes to serializer
            } else {
                $content = (string) $response->getBody();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            $parsed_content = json_decode(json_encode($content), TRUE);
            if (json_last_error() != JSON_ERROR_NONE) {
                $parsed_content = $content;
            }

            return [
                $parsed_content,
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 201:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        'array<string,mixed>',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation createSegmentAsync
     *
     * Create Segment
     *
     * @param  \KlaviyoAPI\Model\SegmentCreateQuery $segment_create_query (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function createSegmentAsync($segment_create_query, $apiKey = null)
    {
        return $this->createSegmentAsyncWithHttpInfo($segment_create_query, $apiKey)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation createSegmentAsyncWithHttpInfo
     *
     * Create Segment
     *
     * @param  \KlaviyoAPI\Model\SegmentCreateQuery $segment_create_query (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function createSegmentAsyncWithHttpInfo($segment_create_query, $apiKey = null)
    {
        $returnType = 'array<string,mixed>';
        $request = $this->createSegmentRequest($segment_create_query, $apiKey);

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

                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $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(),
                        (string) $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'createSegment'
     *
     * @param  \KlaviyoAPI\Model\SegmentCreateQuery $segment_create_query (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function createSegmentRequest($segment_create_query, $apiKey = null)
    {
        // verify the required parameter 'segment_create_query' is set
        if ($segment_create_query === null || (is_array($segment_create_query) && count($segment_create_query) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $segment_create_query when calling createSegment'
            );
        }

        $resourcePath = '/api/segments';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;


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

        // for model (json/xml)
        if (isset($segment_create_query)) {
            if ($headers['Content-Type'] === 'application/json' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($segment_create_query));
            } else {
                $httpBody = $segment_create_query;
            }
        } elseif (count($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' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = ObjectSerializer::buildQuery($formParams);
            }
        }

        // this endpoint requires API key authentication
        if ($apiKey == null) {
            $apiKey = $this->config->getApiKeyWithPrefix('Authorization');
        } else {
            $apiKey = 'Klaviyo-API-Key '.$apiKey;
        }

        $headers['Authorization'] = $apiKey;


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

        $defaultHeaders['revision'] = ['2025-07-15'];

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

        $query = ObjectSerializer::buildQuery($queryParams);
        return new Request(
            'POST',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation deleteSegment
     *
     * Delete Segment
     *
     * @param  string $id  (required)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return void
     */
    public function deleteSegment($id, $apiKey = null)
    {
        $this->deleteSegmentWithHttpInfo($id, $apiKey);
    }

    /**
     * Operation deleteSegmentWithHttpInfo
     *
     * Delete Segment
     *
     * @param  string $id  (required)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of null, HTTP status code, HTTP response headers (array of strings)
     */
    public function deleteSegmentWithHttpInfo($id, $apiKey = null)
    {
        $request = $this->deleteSegmentRequest($id, $apiKey);

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

            $statusCode = $response->getStatusCode();

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

            return [null, $statusCode, $response->getHeaders()];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation deleteSegmentAsync
     *
     * Delete Segment
     *
     * @param  string $id  (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function deleteSegmentAsync($id, $apiKey = null)
    {
        return $this->deleteSegmentAsyncWithHttpInfo($id, $apiKey)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation deleteSegmentAsyncWithHttpInfo
     *
     * Delete Segment
     *
     * @param  string $id  (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function deleteSegmentAsyncWithHttpInfo($id, $apiKey = null)
    {
        $returnType = '';
        $request = $this->deleteSegmentRequest($id, $apiKey);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    return [null, $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(),
                        (string) $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'deleteSegment'
     *
     * @param  string $id  (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function deleteSegmentRequest($id, $apiKey = null)
    {
        // verify the required parameter 'id' is set
        if ($id === null || (is_array($id) && count($id) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $id when calling deleteSegment'
            );
        }

        $resourcePath = '/api/segments/{id}';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;


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


        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/vnd.api+json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/vnd.api+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' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = ObjectSerializer::buildQuery($formParams);
            }
        }

        // this endpoint requires API key authentication
        if ($apiKey == null) {
            $apiKey = $this->config->getApiKeyWithPrefix('Authorization');
        } else {
            $apiKey = 'Klaviyo-API-Key '.$apiKey;
        }

        $headers['Authorization'] = $apiKey;


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

        $defaultHeaders['revision'] = ['2025-07-15'];

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

        $query = ObjectSerializer::buildQuery($queryParams);
        return new Request(
            'DELETE',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation getFlowsTriggeredBySegment
     *
     * Get Flows Triggered by Segment
     *
     * @param  string $id Primary key that uniquely identifies this segment. Generated by Klaviyo. (required)
     * @param  string[] $fields_flow For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response
     */
    public function getFlowsTriggeredBySegment($id, $fields_flow = null, $apiKey = null)
    {
        list($response) = $this->getFlowsTriggeredBySegmentWithHttpInfo($id, $fields_flow, $apiKey);
        return $response;
    }

    /**
     * Alias of `getFlowsTriggeredBySegment`
     *
     * @deprecated use `getFlowsTriggeredBySegment` instead
     */
    public function getFlowTriggersForSegment(...$args) {
        return $this->getFlowsTriggeredBySegment(...$args);
    }

    /**
     * Alias of `getFlowsTriggeredBySegment`
     *
     * @deprecated use `getFlowsTriggeredBySegment` instead
     */
    public function getSegmentFlowTriggers(...$args) {
        return $this->getFlowsTriggeredBySegment(...$args);
    }

    /**
     * Operation getFlowsTriggeredBySegmentWithHttpInfo
     *
     * Get Flows Triggered by Segment
     *
     * @param  string $id Primary key that uniquely identifies this segment. Generated by Klaviyo. (required)
     * @param  string[] $fields_flow For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response, HTTP status code, HTTP response headers (array of strings)
     */
    public function getFlowsTriggeredBySegmentWithHttpInfo($id, $fields_flow = null, $apiKey = null)
    {
        $request = $this->getFlowsTriggeredBySegmentRequest($id, $fields_flow, $apiKey);

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

            $statusCode = $response->getStatusCode();

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

            switch($statusCode) {
                case 200:
                    if ('array<string,mixed>' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('array&lt;string,mixed&gt;' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 400:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 500:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
            }

            $returnType = 'array<string,mixed>';
            if ($returnType === '\SplFileObject') {
                $content = $response->getBody(); //stream goes to serializer
            } else {
                $content = (string) $response->getBody();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            $parsed_content = json_decode(json_encode($content), TRUE);
            if (json_last_error() != JSON_ERROR_NONE) {
                $parsed_content = $content;
            }

            return [
                $parsed_content,
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        'array<string,mixed>',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Alias of `getFlowsTriggeredBySegmentWithHttpInfo`
     *
     * @deprecated use `getFlowsTriggeredBySegmentWithHttpInfo` instead
     */
    public function getFlowTriggersForSegmentWithHttpInfo(...$args) {
        return $this->getFlowsTriggeredBySegmentWithHttpInfo(...$args);
    }

    /**
     * Alias of `getFlowsTriggeredBySegmentWithHttpInfo`
     *
     * @deprecated use `getFlowsTriggeredBySegmentWithHttpInfo` instead
     */
    public function getSegmentFlowTriggersWithHttpInfo(...$args) {
        return $this->getFlowsTriggeredBySegmentWithHttpInfo(...$args);
    }

    /**
     * Operation getFlowsTriggeredBySegmentAsync
     *
     * Get Flows Triggered by Segment
     *
     * @param  string $id Primary key that uniquely identifies this segment. Generated by Klaviyo. (required)
     * @param  string[] $fields_flow For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getFlowsTriggeredBySegmentAsync($id, $fields_flow = null, $apiKey = null)
    {
        return $this->getFlowsTriggeredBySegmentAsyncWithHttpInfo($id, $fields_flow, $apiKey)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Alias of `getFlowsTriggeredBySegmentAsync`
     *
     * @deprecated use `getFlowsTriggeredBySegmentAsync` instead
     */
    public function getFlowTriggersForSegmentAsync(...$args) {
        return $this->getFlowsTriggeredBySegmentAsync(...$args);
    }

    /**
     * Alias of `getFlowsTriggeredBySegmentAsync`
     *
     * @deprecated use `getFlowsTriggeredBySegmentAsync` instead
     */
    public function getSegmentFlowTriggersAsync(...$args) {
        return $this->getFlowsTriggeredBySegmentAsync(...$args);
    }

    /**
     * Operation getFlowsTriggeredBySegmentAsyncWithHttpInfo
     *
     * Get Flows Triggered by Segment
     *
     * @param  string $id Primary key that uniquely identifies this segment. Generated by Klaviyo. (required)
     * @param  string[] $fields_flow For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getFlowsTriggeredBySegmentAsyncWithHttpInfo($id, $fields_flow = null, $apiKey = null)
    {
        $returnType = 'array<string,mixed>';
        $request = $this->getFlowsTriggeredBySegmentRequest($id, $fields_flow, $apiKey);

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

                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $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(),
                        (string) $response->getBody()
                    );
                }
            );
    }

    /**
     * Alias of `getFlowsTriggeredBySegmentAsyncWithHttpInfo`
     *
     * @deprecated use `getFlowsTriggeredBySegmentAsyncWithHttpInfo` instead
     */
    public function getFlowTriggersForSegmentAsyncWithHttpInfo(...$args) {
        return $this->getFlowsTriggeredBySegmentAsyncWithHttpInfo(...$args);
    }

    /**
     * Alias of `getFlowsTriggeredBySegmentAsyncWithHttpInfo`
     *
     * @deprecated use `getFlowsTriggeredBySegmentAsyncWithHttpInfo` instead
     */
    public function getSegmentFlowTriggersAsyncWithHttpInfo(...$args) {
        return $this->getFlowsTriggeredBySegmentAsyncWithHttpInfo(...$args);
    }

    /**
     * Create request for operation 'getFlowsTriggeredBySegment'
     *
     * @param  string $id Primary key that uniquely identifies this segment. Generated by Klaviyo. (required)
     * @param  string[] $fields_flow For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function getFlowsTriggeredBySegmentRequest($id, $fields_flow = null, $apiKey = null)
    {
        // verify the required parameter 'id' is set
        if ($id === null || (is_array($id) && count($id) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $id when calling getFlowsTriggeredBySegment'
            );
        }

        $resourcePath = '/api/segments/{id}/flow-triggers';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $fields_flow,
            'fields[flow]', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);


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


        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/vnd.api+json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/vnd.api+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' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = ObjectSerializer::buildQuery($formParams);
            }
        }

        // this endpoint requires API key authentication
        if ($apiKey == null) {
            $apiKey = $this->config->getApiKeyWithPrefix('Authorization');
        } else {
            $apiKey = 'Klaviyo-API-Key '.$apiKey;
        }

        $headers['Authorization'] = $apiKey;


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

        $defaultHeaders['revision'] = ['2025-07-15'];

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

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

    /**
     * Alias of `getFlowsTriggeredBySegmentRequest`
     *
     * @deprecated use `getFlowsTriggeredBySegmentRequest` instead
     */
    public function getFlowTriggersForSegmentRequest(...$args) {
        return $this->getFlowsTriggeredBySegmentRequest(...$args);
    }

    /**
     * Alias of `getFlowsTriggeredBySegmentRequest`
     *
     * @deprecated use `getFlowsTriggeredBySegmentRequest` instead
     */
    public function getSegmentFlowTriggersRequest(...$args) {
        return $this->getFlowsTriggeredBySegmentRequest(...$args);
    }

    /**
     * Operation getIdsForFlowsTriggeredBySegment
     *
     * Get IDs for Flows Triggered by Segment
     *
     * @param  string $id Primary key that uniquely identifies this segment. Generated by Klaviyo. (required)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response
     */
    public function getIdsForFlowsTriggeredBySegment($id, $apiKey = null)
    {
        list($response) = $this->getIdsForFlowsTriggeredBySegmentWithHttpInfo($id, $apiKey);
        return $response;
    }

    /**
     * Alias of `getIdsForFlowsTriggeredBySegment`
     *
     * @deprecated use `getIdsForFlowsTriggeredBySegment` instead
     */
    public function getFlowTriggerIdsForSegment(...$args) {
        return $this->getIdsForFlowsTriggeredBySegment(...$args);
    }

    /**
     * Alias of `getIdsForFlowsTriggeredBySegment`
     *
     * @deprecated use `getIdsForFlowsTriggeredBySegment` instead
     */
    public function getSegmentRelationshipsFlowTriggers(...$args) {
        return $this->getIdsForFlowsTriggeredBySegment(...$args);
    }

    /**
     * Operation getIdsForFlowsTriggeredBySegmentWithHttpInfo
     *
     * Get IDs for Flows Triggered by Segment
     *
     * @param  string $id Primary key that uniquely identifies this segment. Generated by Klaviyo. (required)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response, HTTP status code, HTTP response headers (array of strings)
     */
    public function getIdsForFlowsTriggeredBySegmentWithHttpInfo($id, $apiKey = null)
    {
        $request = $this->getIdsForFlowsTriggeredBySegmentRequest($id, $apiKey);

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

            $statusCode = $response->getStatusCode();

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

            switch($statusCode) {
                case 200:
                    if ('array<string,mixed>' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('array&lt;string,mixed&gt;' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 400:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 500:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
            }

            $returnType = 'array<string,mixed>';
            if ($returnType === '\SplFileObject') {
                $content = $response->getBody(); //stream goes to serializer
            } else {
                $content = (string) $response->getBody();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            $parsed_content = json_decode(json_encode($content), TRUE);
            if (json_last_error() != JSON_ERROR_NONE) {
                $parsed_content = $content;
            }

            return [
                $parsed_content,
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        'array<string,mixed>',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Alias of `getIdsForFlowsTriggeredBySegmentWithHttpInfo`
     *
     * @deprecated use `getIdsForFlowsTriggeredBySegmentWithHttpInfo` instead
     */
    public function getFlowTriggerIdsForSegmentWithHttpInfo(...$args) {
        return $this->getIdsForFlowsTriggeredBySegmentWithHttpInfo(...$args);
    }

    /**
     * Alias of `getIdsForFlowsTriggeredBySegmentWithHttpInfo`
     *
     * @deprecated use `getIdsForFlowsTriggeredBySegmentWithHttpInfo` instead
     */
    public function getSegmentRelationshipsFlowTriggersWithHttpInfo(...$args) {
        return $this->getIdsForFlowsTriggeredBySegmentWithHttpInfo(...$args);
    }

    /**
     * Operation getIdsForFlowsTriggeredBySegmentAsync
     *
     * Get IDs for Flows Triggered by Segment
     *
     * @param  string $id Primary key that uniquely identifies this segment. Generated by Klaviyo. (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getIdsForFlowsTriggeredBySegmentAsync($id, $apiKey = null)
    {
        return $this->getIdsForFlowsTriggeredBySegmentAsyncWithHttpInfo($id, $apiKey)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Alias of `getIdsForFlowsTriggeredBySegmentAsync`
     *
     * @deprecated use `getIdsForFlowsTriggeredBySegmentAsync` instead
     */
    public function getFlowTriggerIdsForSegmentAsync(...$args) {
        return $this->getIdsForFlowsTriggeredBySegmentAsync(...$args);
    }

    /**
     * Alias of `getIdsForFlowsTriggeredBySegmentAsync`
     *
     * @deprecated use `getIdsForFlowsTriggeredBySegmentAsync` instead
     */
    public function getSegmentRelationshipsFlowTriggersAsync(...$args) {
        return $this->getIdsForFlowsTriggeredBySegmentAsync(...$args);
    }

    /**
     * Operation getIdsForFlowsTriggeredBySegmentAsyncWithHttpInfo
     *
     * Get IDs for Flows Triggered by Segment
     *
     * @param  string $id Primary key that uniquely identifies this segment. Generated by Klaviyo. (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getIdsForFlowsTriggeredBySegmentAsyncWithHttpInfo($id, $apiKey = null)
    {
        $returnType = 'array<string,mixed>';
        $request = $this->getIdsForFlowsTriggeredBySegmentRequest($id, $apiKey);

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

                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $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(),
                        (string) $response->getBody()
                    );
                }
            );
    }

    /**
     * Alias of `getIdsForFlowsTriggeredBySegmentAsyncWithHttpInfo`
     *
     * @deprecated use `getIdsForFlowsTriggeredBySegmentAsyncWithHttpInfo` instead
     */
    public function getFlowTriggerIdsForSegmentAsyncWithHttpInfo(...$args) {
        return $this->getIdsForFlowsTriggeredBySegmentAsyncWithHttpInfo(...$args);
    }

    /**
     * Alias of `getIdsForFlowsTriggeredBySegmentAsyncWithHttpInfo`
     *
     * @deprecated use `getIdsForFlowsTriggeredBySegmentAsyncWithHttpInfo` instead
     */
    public function getSegmentRelationshipsFlowTriggersAsyncWithHttpInfo(...$args) {
        return $this->getIdsForFlowsTriggeredBySegmentAsyncWithHttpInfo(...$args);
    }

    /**
     * Create request for operation 'getIdsForFlowsTriggeredBySegment'
     *
     * @param  string $id Primary key that uniquely identifies this segment. Generated by Klaviyo. (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function getIdsForFlowsTriggeredBySegmentRequest($id, $apiKey = null)
    {
        // verify the required parameter 'id' is set
        if ($id === null || (is_array($id) && count($id) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $id when calling getIdsForFlowsTriggeredBySegment'
            );
        }

        $resourcePath = '/api/segments/{id}/relationships/flow-triggers';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;


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


        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/vnd.api+json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/vnd.api+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' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = ObjectSerializer::buildQuery($formParams);
            }
        }

        // this endpoint requires API key authentication
        if ($apiKey == null) {
            $apiKey = $this->config->getApiKeyWithPrefix('Authorization');
        } else {
            $apiKey = 'Klaviyo-API-Key '.$apiKey;
        }

        $headers['Authorization'] = $apiKey;


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

        $defaultHeaders['revision'] = ['2025-07-15'];

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

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

    /**
     * Alias of `getIdsForFlowsTriggeredBySegmentRequest`
     *
     * @deprecated use `getIdsForFlowsTriggeredBySegmentRequest` instead
     */
    public function getFlowTriggerIdsForSegmentRequest(...$args) {
        return $this->getIdsForFlowsTriggeredBySegmentRequest(...$args);
    }

    /**
     * Alias of `getIdsForFlowsTriggeredBySegmentRequest`
     *
     * @deprecated use `getIdsForFlowsTriggeredBySegmentRequest` instead
     */
    public function getSegmentRelationshipsFlowTriggersRequest(...$args) {
        return $this->getIdsForFlowsTriggeredBySegmentRequest(...$args);
    }

    /**
     * Operation getProfileIdsForSegment
     *
     * Get Profile IDs for Segment
     *
     * @param  string $id Primary key that uniquely identifies this segment. Generated by Klaviyo. (required)
     * @param  string $filter For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#filtering&lt;br&gt;Allowed field(s)/operator(s):&lt;br&gt;&#x60;email&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;phone_number&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;push_token&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;_kx&#x60;: &#x60;equals&#x60;&lt;br&gt;&#x60;joined_group_at&#x60;: &#x60;greater-or-equal&#x60;, &#x60;greater-than&#x60;, &#x60;less-or-equal&#x60;, &#x60;less-than&#x60; (optional)
     * @param  string $page_cursor For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#pagination (optional)
     * @param  int $page_size Default: 20. Min: 1. Max: 100. (optional, default to 20)
     * @param  string $sort For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sorting (optional)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response
     */
    public function getProfileIdsForSegment($id, $filter = null, $page_cursor = null, $page_size = 20, $sort = null, $apiKey = null)
    {
        list($response) = $this->getProfileIdsForSegmentWithHttpInfo($id, $filter, $page_cursor, $page_size, $sort, $apiKey);
        return $response;
    }

    /**
     * Alias of `getProfileIdsForSegment`
     *
     * @deprecated use `getProfileIdsForSegment` instead
     */
    public function getSegmentRelationshipsProfiles(...$args) {
        return $this->getProfileIdsForSegment(...$args);
    }

    /**
     * Operation getProfileIdsForSegmentWithHttpInfo
     *
     * Get Profile IDs for Segment
     *
     * @param  string $id Primary key that uniquely identifies this segment. Generated by Klaviyo. (required)
     * @param  string $filter For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#filtering&lt;br&gt;Allowed field(s)/operator(s):&lt;br&gt;&#x60;email&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;phone_number&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;push_token&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;_kx&#x60;: &#x60;equals&#x60;&lt;br&gt;&#x60;joined_group_at&#x60;: &#x60;greater-or-equal&#x60;, &#x60;greater-than&#x60;, &#x60;less-or-equal&#x60;, &#x60;less-than&#x60; (optional)
     * @param  string $page_cursor For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#pagination (optional)
     * @param  int $page_size Default: 20. Min: 1. Max: 100. (optional, default to 20)
     * @param  string $sort For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sorting (optional)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response, HTTP status code, HTTP response headers (array of strings)
     */
    public function getProfileIdsForSegmentWithHttpInfo($id, $filter = null, $page_cursor = null, $page_size = 20, $sort = null, $apiKey = null)
    {
        $request = $this->getProfileIdsForSegmentRequest($id, $filter, $page_cursor, $page_size, $sort, $apiKey);

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

            $statusCode = $response->getStatusCode();

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

            switch($statusCode) {
                case 200:
                    if ('array<string,mixed>' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('array&lt;string,mixed&gt;' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 400:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 500:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
            }

            $returnType = 'array<string,mixed>';
            if ($returnType === '\SplFileObject') {
                $content = $response->getBody(); //stream goes to serializer
            } else {
                $content = (string) $response->getBody();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            $parsed_content = json_decode(json_encode($content), TRUE);
            if (json_last_error() != JSON_ERROR_NONE) {
                $parsed_content = $content;
            }

            return [
                $parsed_content,
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        'array<string,mixed>',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Alias of `getProfileIdsForSegmentWithHttpInfo`
     *
     * @deprecated use `getProfileIdsForSegmentWithHttpInfo` instead
     */
    public function getSegmentRelationshipsProfilesWithHttpInfo(...$args) {
        return $this->getProfileIdsForSegmentWithHttpInfo(...$args);
    }

    /**
     * Operation getProfileIdsForSegmentAsync
     *
     * Get Profile IDs for Segment
     *
     * @param  string $id Primary key that uniquely identifies this segment. Generated by Klaviyo. (required)
     * @param  string $filter For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#filtering&lt;br&gt;Allowed field(s)/operator(s):&lt;br&gt;&#x60;email&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;phone_number&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;push_token&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;_kx&#x60;: &#x60;equals&#x60;&lt;br&gt;&#x60;joined_group_at&#x60;: &#x60;greater-or-equal&#x60;, &#x60;greater-than&#x60;, &#x60;less-or-equal&#x60;, &#x60;less-than&#x60; (optional)
     * @param  string $page_cursor For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#pagination (optional)
     * @param  int $page_size Default: 20. Min: 1. Max: 100. (optional, default to 20)
     * @param  string $sort For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sorting (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getProfileIdsForSegmentAsync($id, $filter = null, $page_cursor = null, $page_size = 20, $sort = null, $apiKey = null)
    {
        return $this->getProfileIdsForSegmentAsyncWithHttpInfo($id, $filter, $page_cursor, $page_size, $sort, $apiKey)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Alias of `getProfileIdsForSegmentAsync`
     *
     * @deprecated use `getProfileIdsForSegmentAsync` instead
     */
    public function getSegmentRelationshipsProfilesAsync(...$args) {
        return $this->getProfileIdsForSegmentAsync(...$args);
    }

    /**
     * Operation getProfileIdsForSegmentAsyncWithHttpInfo
     *
     * Get Profile IDs for Segment
     *
     * @param  string $id Primary key that uniquely identifies this segment. Generated by Klaviyo. (required)
     * @param  string $filter For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#filtering&lt;br&gt;Allowed field(s)/operator(s):&lt;br&gt;&#x60;email&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;phone_number&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;push_token&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;_kx&#x60;: &#x60;equals&#x60;&lt;br&gt;&#x60;joined_group_at&#x60;: &#x60;greater-or-equal&#x60;, &#x60;greater-than&#x60;, &#x60;less-or-equal&#x60;, &#x60;less-than&#x60; (optional)
     * @param  string $page_cursor For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#pagination (optional)
     * @param  int $page_size Default: 20. Min: 1. Max: 100. (optional, default to 20)
     * @param  string $sort For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sorting (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getProfileIdsForSegmentAsyncWithHttpInfo($id, $filter = null, $page_cursor = null, $page_size = 20, $sort = null, $apiKey = null)
    {
        $returnType = 'array<string,mixed>';
        $request = $this->getProfileIdsForSegmentRequest($id, $filter, $page_cursor, $page_size, $sort, $apiKey);

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

                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $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(),
                        (string) $response->getBody()
                    );
                }
            );
    }

    /**
     * Alias of `getProfileIdsForSegmentAsyncWithHttpInfo`
     *
     * @deprecated use `getProfileIdsForSegmentAsyncWithHttpInfo` instead
     */
    public function getSegmentRelationshipsProfilesAsyncWithHttpInfo(...$args) {
        return $this->getProfileIdsForSegmentAsyncWithHttpInfo(...$args);
    }

    /**
     * Create request for operation 'getProfileIdsForSegment'
     *
     * @param  string $id Primary key that uniquely identifies this segment. Generated by Klaviyo. (required)
     * @param  string $filter For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#filtering&lt;br&gt;Allowed field(s)/operator(s):&lt;br&gt;&#x60;email&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;phone_number&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;push_token&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;_kx&#x60;: &#x60;equals&#x60;&lt;br&gt;&#x60;joined_group_at&#x60;: &#x60;greater-or-equal&#x60;, &#x60;greater-than&#x60;, &#x60;less-or-equal&#x60;, &#x60;less-than&#x60; (optional)
     * @param  string $page_cursor For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#pagination (optional)
     * @param  int $page_size Default: 20. Min: 1. Max: 100. (optional, default to 20)
     * @param  string $sort For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sorting (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function getProfileIdsForSegmentRequest($id, $filter = null, $page_cursor = null, $page_size = 20, $sort = null, $apiKey = null)
    {
        // verify the required parameter 'id' is set
        if ($id === null || (is_array($id) && count($id) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $id when calling getProfileIdsForSegment'
            );
        }
        if ($page_size !== null && $page_size > 100) {
            throw new \InvalidArgumentException('invalid value for "$page_size" when calling SegmentsApi.getProfileIdsForSegment, must be smaller than or equal to 100.');
        }
        if ($page_size !== null && $page_size < 1) {
            throw new \InvalidArgumentException('invalid value for "$page_size" when calling SegmentsApi.getProfileIdsForSegment, must be bigger than or equal to 1.');
        }


        $resourcePath = '/api/segments/{id}/relationships/profiles';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $filter,
            'filter', // param base name
            'string', // openApiType
            'form', // style
            true, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $page_cursor,
            'page[cursor]', // param base name
            'string', // openApiType
            'form', // style
            true, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $page_size,
            'page[size]', // param base name
            'integer', // openApiType
            'form', // style
            true, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $sort,
            'sort', // param base name
            'string', // openApiType
            'form', // style
            true, // explode
            false // required
        ) ?? []);


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


        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/vnd.api+json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/vnd.api+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' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = ObjectSerializer::buildQuery($formParams);
            }
        }

        // this endpoint requires API key authentication
        if ($apiKey == null) {
            $apiKey = $this->config->getApiKeyWithPrefix('Authorization');
        } else {
            $apiKey = 'Klaviyo-API-Key '.$apiKey;
        }

        $headers['Authorization'] = $apiKey;


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

        $defaultHeaders['revision'] = ['2025-07-15'];

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

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

    /**
     * Alias of `getProfileIdsForSegmentRequest`
     *
     * @deprecated use `getProfileIdsForSegmentRequest` instead
     */
    public function getSegmentRelationshipsProfilesRequest(...$args) {
        return $this->getProfileIdsForSegmentRequest(...$args);
    }

    /**
     * Operation getProfilesForSegment
     *
     * Get Profiles for Segment
     *
     * @param  string $id Primary key that uniquely identifies this segment. Generated by Klaviyo. (required)
     * @param  string[] $additional_fields_profile Request additional fields not included by default in the response. Supported values: &#39;subscriptions&#39;, &#39;predictive_analytics&#39; (optional)
     * @param  string[] $fields_profile For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string $filter For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#filtering&lt;br&gt;Allowed field(s)/operator(s):&lt;br&gt;&#x60;email&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;phone_number&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;push_token&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;_kx&#x60;: &#x60;equals&#x60;&lt;br&gt;&#x60;joined_group_at&#x60;: &#x60;greater-or-equal&#x60;, &#x60;greater-than&#x60;, &#x60;less-or-equal&#x60;, &#x60;less-than&#x60; (optional)
     * @param  string $page_cursor For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#pagination (optional)
     * @param  int $page_size Default: 20. Min: 1. Max: 100. (optional, default to 20)
     * @param  string $sort For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sorting (optional)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response
     */
    public function getProfilesForSegment($id, $additional_fields_profile = null, $fields_profile = null, $filter = null, $page_cursor = null, $page_size = 20, $sort = null, $apiKey = null)
    {
        list($response) = $this->getProfilesForSegmentWithHttpInfo($id, $additional_fields_profile, $fields_profile, $filter, $page_cursor, $page_size, $sort, $apiKey);
        return $response;
    }

    /**
     * Alias of `getProfilesForSegment`
     *
     * @deprecated use `getProfilesForSegment` instead
     */
    public function getSegmentProfiles(...$args) {
        return $this->getProfilesForSegment(...$args);
    }

    /**
     * Operation getProfilesForSegmentWithHttpInfo
     *
     * Get Profiles for Segment
     *
     * @param  string $id Primary key that uniquely identifies this segment. Generated by Klaviyo. (required)
     * @param  string[] $additional_fields_profile Request additional fields not included by default in the response. Supported values: &#39;subscriptions&#39;, &#39;predictive_analytics&#39; (optional)
     * @param  string[] $fields_profile For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string $filter For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#filtering&lt;br&gt;Allowed field(s)/operator(s):&lt;br&gt;&#x60;email&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;phone_number&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;push_token&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;_kx&#x60;: &#x60;equals&#x60;&lt;br&gt;&#x60;joined_group_at&#x60;: &#x60;greater-or-equal&#x60;, &#x60;greater-than&#x60;, &#x60;less-or-equal&#x60;, &#x60;less-than&#x60; (optional)
     * @param  string $page_cursor For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#pagination (optional)
     * @param  int $page_size Default: 20. Min: 1. Max: 100. (optional, default to 20)
     * @param  string $sort For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sorting (optional)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response, HTTP status code, HTTP response headers (array of strings)
     */
    public function getProfilesForSegmentWithHttpInfo($id, $additional_fields_profile = null, $fields_profile = null, $filter = null, $page_cursor = null, $page_size = 20, $sort = null, $apiKey = null)
    {
        $request = $this->getProfilesForSegmentRequest($id, $additional_fields_profile, $fields_profile, $filter, $page_cursor, $page_size, $sort, $apiKey);

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

            $statusCode = $response->getStatusCode();

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

            switch($statusCode) {
                case 200:
                    if ('array<string,mixed>' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('array&lt;string,mixed&gt;' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 400:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 500:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
            }

            $returnType = 'array<string,mixed>';
            if ($returnType === '\SplFileObject') {
                $content = $response->getBody(); //stream goes to serializer
            } else {
                $content = (string) $response->getBody();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            $parsed_content = json_decode(json_encode($content), TRUE);
            if (json_last_error() != JSON_ERROR_NONE) {
                $parsed_content = $content;
            }

            return [
                $parsed_content,
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        'array<string,mixed>',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Alias of `getProfilesForSegmentWithHttpInfo`
     *
     * @deprecated use `getProfilesForSegmentWithHttpInfo` instead
     */
    public function getSegmentProfilesWithHttpInfo(...$args) {
        return $this->getProfilesForSegmentWithHttpInfo(...$args);
    }

    /**
     * Operation getProfilesForSegmentAsync
     *
     * Get Profiles for Segment
     *
     * @param  string $id Primary key that uniquely identifies this segment. Generated by Klaviyo. (required)
     * @param  string[] $additional_fields_profile Request additional fields not included by default in the response. Supported values: &#39;subscriptions&#39;, &#39;predictive_analytics&#39; (optional)
     * @param  string[] $fields_profile For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string $filter For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#filtering&lt;br&gt;Allowed field(s)/operator(s):&lt;br&gt;&#x60;email&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;phone_number&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;push_token&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;_kx&#x60;: &#x60;equals&#x60;&lt;br&gt;&#x60;joined_group_at&#x60;: &#x60;greater-or-equal&#x60;, &#x60;greater-than&#x60;, &#x60;less-or-equal&#x60;, &#x60;less-than&#x60; (optional)
     * @param  string $page_cursor For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#pagination (optional)
     * @param  int $page_size Default: 20. Min: 1. Max: 100. (optional, default to 20)
     * @param  string $sort For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sorting (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getProfilesForSegmentAsync($id, $additional_fields_profile = null, $fields_profile = null, $filter = null, $page_cursor = null, $page_size = 20, $sort = null, $apiKey = null)
    {
        return $this->getProfilesForSegmentAsyncWithHttpInfo($id, $additional_fields_profile, $fields_profile, $filter, $page_cursor, $page_size, $sort, $apiKey)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Alias of `getProfilesForSegmentAsync`
     *
     * @deprecated use `getProfilesForSegmentAsync` instead
     */
    public function getSegmentProfilesAsync(...$args) {
        return $this->getProfilesForSegmentAsync(...$args);
    }

    /**
     * Operation getProfilesForSegmentAsyncWithHttpInfo
     *
     * Get Profiles for Segment
     *
     * @param  string $id Primary key that uniquely identifies this segment. Generated by Klaviyo. (required)
     * @param  string[] $additional_fields_profile Request additional fields not included by default in the response. Supported values: &#39;subscriptions&#39;, &#39;predictive_analytics&#39; (optional)
     * @param  string[] $fields_profile For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string $filter For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#filtering&lt;br&gt;Allowed field(s)/operator(s):&lt;br&gt;&#x60;email&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;phone_number&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;push_token&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;_kx&#x60;: &#x60;equals&#x60;&lt;br&gt;&#x60;joined_group_at&#x60;: &#x60;greater-or-equal&#x60;, &#x60;greater-than&#x60;, &#x60;less-or-equal&#x60;, &#x60;less-than&#x60; (optional)
     * @param  string $page_cursor For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#pagination (optional)
     * @param  int $page_size Default: 20. Min: 1. Max: 100. (optional, default to 20)
     * @param  string $sort For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sorting (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getProfilesForSegmentAsyncWithHttpInfo($id, $additional_fields_profile = null, $fields_profile = null, $filter = null, $page_cursor = null, $page_size = 20, $sort = null, $apiKey = null)
    {
        $returnType = 'array<string,mixed>';
        $request = $this->getProfilesForSegmentRequest($id, $additional_fields_profile, $fields_profile, $filter, $page_cursor, $page_size, $sort, $apiKey);

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

                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $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(),
                        (string) $response->getBody()
                    );
                }
            );
    }

    /**
     * Alias of `getProfilesForSegmentAsyncWithHttpInfo`
     *
     * @deprecated use `getProfilesForSegmentAsyncWithHttpInfo` instead
     */
    public function getSegmentProfilesAsyncWithHttpInfo(...$args) {
        return $this->getProfilesForSegmentAsyncWithHttpInfo(...$args);
    }

    /**
     * Create request for operation 'getProfilesForSegment'
     *
     * @param  string $id Primary key that uniquely identifies this segment. Generated by Klaviyo. (required)
     * @param  string[] $additional_fields_profile Request additional fields not included by default in the response. Supported values: &#39;subscriptions&#39;, &#39;predictive_analytics&#39; (optional)
     * @param  string[] $fields_profile For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string $filter For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#filtering&lt;br&gt;Allowed field(s)/operator(s):&lt;br&gt;&#x60;email&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;phone_number&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;push_token&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;_kx&#x60;: &#x60;equals&#x60;&lt;br&gt;&#x60;joined_group_at&#x60;: &#x60;greater-or-equal&#x60;, &#x60;greater-than&#x60;, &#x60;less-or-equal&#x60;, &#x60;less-than&#x60; (optional)
     * @param  string $page_cursor For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#pagination (optional)
     * @param  int $page_size Default: 20. Min: 1. Max: 100. (optional, default to 20)
     * @param  string $sort For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sorting (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function getProfilesForSegmentRequest($id, $additional_fields_profile = null, $fields_profile = null, $filter = null, $page_cursor = null, $page_size = 20, $sort = null, $apiKey = null)
    {
        // verify the required parameter 'id' is set
        if ($id === null || (is_array($id) && count($id) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $id when calling getProfilesForSegment'
            );
        }
        if ($page_size !== null && $page_size > 100) {
            throw new \InvalidArgumentException('invalid value for "$page_size" when calling SegmentsApi.getProfilesForSegment, must be smaller than or equal to 100.');
        }
        if ($page_size !== null && $page_size < 1) {
            throw new \InvalidArgumentException('invalid value for "$page_size" when calling SegmentsApi.getProfilesForSegment, must be bigger than or equal to 1.');
        }


        $resourcePath = '/api/segments/{id}/profiles';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $additional_fields_profile,
            'additional-fields[profile]', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $fields_profile,
            'fields[profile]', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $filter,
            'filter', // param base name
            'string', // openApiType
            'form', // style
            true, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $page_cursor,
            'page[cursor]', // param base name
            'string', // openApiType
            'form', // style
            true, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $page_size,
            'page[size]', // param base name
            'integer', // openApiType
            'form', // style
            true, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $sort,
            'sort', // param base name
            'string', // openApiType
            'form', // style
            true, // explode
            false // required
        ) ?? []);


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


        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/vnd.api+json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/vnd.api+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' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = ObjectSerializer::buildQuery($formParams);
            }
        }

        // this endpoint requires API key authentication
        if ($apiKey == null) {
            $apiKey = $this->config->getApiKeyWithPrefix('Authorization');
        } else {
            $apiKey = 'Klaviyo-API-Key '.$apiKey;
        }

        $headers['Authorization'] = $apiKey;


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

        $defaultHeaders['revision'] = ['2025-07-15'];

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

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

    /**
     * Alias of `getProfilesForSegmentRequest`
     *
     * @deprecated use `getProfilesForSegmentRequest` instead
     */
    public function getSegmentProfilesRequest(...$args) {
        return $this->getProfilesForSegmentRequest(...$args);
    }

    /**
     * Operation getSegment
     *
     * Get Segment
     *
     * @param  string $id  (required)
     * @param  string[] $additional_fields_segment Request additional fields not included by default in the response. Supported values: &#39;profile_count&#39; (optional)
     * @param  string[] $fields_flow For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_segment For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_tag For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $include For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#relationships (optional)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response
     */
    public function getSegment($id, $additional_fields_segment = null, $fields_flow = null, $fields_segment = null, $fields_tag = null, $include = null, $apiKey = null)
    {
        list($response) = $this->getSegmentWithHttpInfo($id, $additional_fields_segment, $fields_flow, $fields_segment, $fields_tag, $include, $apiKey);
        return $response;
    }

    /**
     * Operation getSegmentWithHttpInfo
     *
     * Get Segment
     *
     * @param  string $id  (required)
     * @param  string[] $additional_fields_segment Request additional fields not included by default in the response. Supported values: &#39;profile_count&#39; (optional)
     * @param  string[] $fields_flow For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_segment For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_tag For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $include For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#relationships (optional)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response, HTTP status code, HTTP response headers (array of strings)
     */
    public function getSegmentWithHttpInfo($id, $additional_fields_segment = null, $fields_flow = null, $fields_segment = null, $fields_tag = null, $include = null, $apiKey = null)
    {
        $request = $this->getSegmentRequest($id, $additional_fields_segment, $fields_flow, $fields_segment, $fields_tag, $include, $apiKey);

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

            $statusCode = $response->getStatusCode();

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

            switch($statusCode) {
                case 200:
                    if ('array<string,mixed>' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('array&lt;string,mixed&gt;' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 400:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 500:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
            }

            $returnType = 'array<string,mixed>';
            if ($returnType === '\SplFileObject') {
                $content = $response->getBody(); //stream goes to serializer
            } else {
                $content = (string) $response->getBody();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            $parsed_content = json_decode(json_encode($content), TRUE);
            if (json_last_error() != JSON_ERROR_NONE) {
                $parsed_content = $content;
            }

            return [
                $parsed_content,
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        'array<string,mixed>',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation getSegmentAsync
     *
     * Get Segment
     *
     * @param  string $id  (required)
     * @param  string[] $additional_fields_segment Request additional fields not included by default in the response. Supported values: &#39;profile_count&#39; (optional)
     * @param  string[] $fields_flow For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_segment For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_tag For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $include For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#relationships (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getSegmentAsync($id, $additional_fields_segment = null, $fields_flow = null, $fields_segment = null, $fields_tag = null, $include = null, $apiKey = null)
    {
        return $this->getSegmentAsyncWithHttpInfo($id, $additional_fields_segment, $fields_flow, $fields_segment, $fields_tag, $include, $apiKey)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation getSegmentAsyncWithHttpInfo
     *
     * Get Segment
     *
     * @param  string $id  (required)
     * @param  string[] $additional_fields_segment Request additional fields not included by default in the response. Supported values: &#39;profile_count&#39; (optional)
     * @param  string[] $fields_flow For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_segment For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_tag For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $include For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#relationships (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getSegmentAsyncWithHttpInfo($id, $additional_fields_segment = null, $fields_flow = null, $fields_segment = null, $fields_tag = null, $include = null, $apiKey = null)
    {
        $returnType = 'array<string,mixed>';
        $request = $this->getSegmentRequest($id, $additional_fields_segment, $fields_flow, $fields_segment, $fields_tag, $include, $apiKey);

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

                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $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(),
                        (string) $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'getSegment'
     *
     * @param  string $id  (required)
     * @param  string[] $additional_fields_segment Request additional fields not included by default in the response. Supported values: &#39;profile_count&#39; (optional)
     * @param  string[] $fields_flow For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_segment For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_tag For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $include For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#relationships (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function getSegmentRequest($id, $additional_fields_segment = null, $fields_flow = null, $fields_segment = null, $fields_tag = null, $include = null, $apiKey = null)
    {
        // verify the required parameter 'id' is set
        if ($id === null || (is_array($id) && count($id) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $id when calling getSegment'
            );
        }

        $resourcePath = '/api/segments/{id}';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $additional_fields_segment,
            'additional-fields[segment]', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $fields_flow,
            'fields[flow]', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $fields_segment,
            'fields[segment]', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $fields_tag,
            'fields[tag]', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $include,
            'include', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);


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


        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/vnd.api+json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/vnd.api+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' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = ObjectSerializer::buildQuery($formParams);
            }
        }

        // this endpoint requires API key authentication
        if ($apiKey == null) {
            $apiKey = $this->config->getApiKeyWithPrefix('Authorization');
        } else {
            $apiKey = 'Klaviyo-API-Key '.$apiKey;
        }

        $headers['Authorization'] = $apiKey;


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

        $defaultHeaders['revision'] = ['2025-07-15'];

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

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

    /**
     * Operation getSegments
     *
     * Get Segments
     *
     * @param  string[] $fields_flow For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_segment For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_tag For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string $filter For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#filtering&lt;br&gt;Allowed field(s)/operator(s):&lt;br&gt;&#x60;name&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;id&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;created&#x60;: &#x60;greater-than&#x60;&lt;br&gt;&#x60;updated&#x60;: &#x60;greater-than&#x60;&lt;br&gt;&#x60;is_active&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;is_starred&#x60;: &#x60;equals&#x60; (optional)
     * @param  string[] $include For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#relationships (optional)
     * @param  string $page_cursor For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#pagination (optional)
     * @param  string $sort For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sorting (optional)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response
     */
    public function getSegments($fields_flow = null, $fields_segment = null, $fields_tag = null, $filter = null, $include = null, $page_cursor = null, $sort = null, $apiKey = null)
    {
        list($response) = $this->getSegmentsWithHttpInfo($fields_flow, $fields_segment, $fields_tag, $filter, $include, $page_cursor, $sort, $apiKey);
        return $response;
    }

    /**
     * Operation getSegmentsWithHttpInfo
     *
     * Get Segments
     *
     * @param  string[] $fields_flow For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_segment For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_tag For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string $filter For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#filtering&lt;br&gt;Allowed field(s)/operator(s):&lt;br&gt;&#x60;name&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;id&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;created&#x60;: &#x60;greater-than&#x60;&lt;br&gt;&#x60;updated&#x60;: &#x60;greater-than&#x60;&lt;br&gt;&#x60;is_active&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;is_starred&#x60;: &#x60;equals&#x60; (optional)
     * @param  string[] $include For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#relationships (optional)
     * @param  string $page_cursor For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#pagination (optional)
     * @param  string $sort For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sorting (optional)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response, HTTP status code, HTTP response headers (array of strings)
     */
    public function getSegmentsWithHttpInfo($fields_flow = null, $fields_segment = null, $fields_tag = null, $filter = null, $include = null, $page_cursor = null, $sort = null, $apiKey = null)
    {
        $request = $this->getSegmentsRequest($fields_flow, $fields_segment, $fields_tag, $filter, $include, $page_cursor, $sort, $apiKey);

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

            $statusCode = $response->getStatusCode();

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

            switch($statusCode) {
                case 200:
                    if ('array<string,mixed>' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('array&lt;string,mixed&gt;' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 400:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 500:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
            }

            $returnType = 'array<string,mixed>';
            if ($returnType === '\SplFileObject') {
                $content = $response->getBody(); //stream goes to serializer
            } else {
                $content = (string) $response->getBody();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            $parsed_content = json_decode(json_encode($content), TRUE);
            if (json_last_error() != JSON_ERROR_NONE) {
                $parsed_content = $content;
            }

            return [
                $parsed_content,
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        'array<string,mixed>',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation getSegmentsAsync
     *
     * Get Segments
     *
     * @param  string[] $fields_flow For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_segment For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_tag For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string $filter For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#filtering&lt;br&gt;Allowed field(s)/operator(s):&lt;br&gt;&#x60;name&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;id&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;created&#x60;: &#x60;greater-than&#x60;&lt;br&gt;&#x60;updated&#x60;: &#x60;greater-than&#x60;&lt;br&gt;&#x60;is_active&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;is_starred&#x60;: &#x60;equals&#x60; (optional)
     * @param  string[] $include For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#relationships (optional)
     * @param  string $page_cursor For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#pagination (optional)
     * @param  string $sort For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sorting (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getSegmentsAsync($fields_flow = null, $fields_segment = null, $fields_tag = null, $filter = null, $include = null, $page_cursor = null, $sort = null, $apiKey = null)
    {
        return $this->getSegmentsAsyncWithHttpInfo($fields_flow, $fields_segment, $fields_tag, $filter, $include, $page_cursor, $sort, $apiKey)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation getSegmentsAsyncWithHttpInfo
     *
     * Get Segments
     *
     * @param  string[] $fields_flow For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_segment For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_tag For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string $filter For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#filtering&lt;br&gt;Allowed field(s)/operator(s):&lt;br&gt;&#x60;name&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;id&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;created&#x60;: &#x60;greater-than&#x60;&lt;br&gt;&#x60;updated&#x60;: &#x60;greater-than&#x60;&lt;br&gt;&#x60;is_active&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;is_starred&#x60;: &#x60;equals&#x60; (optional)
     * @param  string[] $include For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#relationships (optional)
     * @param  string $page_cursor For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#pagination (optional)
     * @param  string $sort For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sorting (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getSegmentsAsyncWithHttpInfo($fields_flow = null, $fields_segment = null, $fields_tag = null, $filter = null, $include = null, $page_cursor = null, $sort = null, $apiKey = null)
    {
        $returnType = 'array<string,mixed>';
        $request = $this->getSegmentsRequest($fields_flow, $fields_segment, $fields_tag, $filter, $include, $page_cursor, $sort, $apiKey);

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

                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $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(),
                        (string) $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'getSegments'
     *
     * @param  string[] $fields_flow For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_segment For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_tag For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string $filter For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#filtering&lt;br&gt;Allowed field(s)/operator(s):&lt;br&gt;&#x60;name&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;id&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;created&#x60;: &#x60;greater-than&#x60;&lt;br&gt;&#x60;updated&#x60;: &#x60;greater-than&#x60;&lt;br&gt;&#x60;is_active&#x60;: &#x60;any&#x60;, &#x60;equals&#x60;&lt;br&gt;&#x60;is_starred&#x60;: &#x60;equals&#x60; (optional)
     * @param  string[] $include For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#relationships (optional)
     * @param  string $page_cursor For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#pagination (optional)
     * @param  string $sort For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sorting (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function getSegmentsRequest($fields_flow = null, $fields_segment = null, $fields_tag = null, $filter = null, $include = null, $page_cursor = null, $sort = null, $apiKey = null)
    {

        $resourcePath = '/api/segments';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $fields_flow,
            'fields[flow]', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $fields_segment,
            'fields[segment]', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $fields_tag,
            'fields[tag]', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $filter,
            'filter', // param base name
            'string', // openApiType
            'form', // style
            true, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $include,
            'include', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $page_cursor,
            'page[cursor]', // param base name
            'string', // openApiType
            'form', // style
            true, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $sort,
            'sort', // param base name
            'string', // openApiType
            'form', // style
            true, // explode
            false // required
        ) ?? []);


        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/vnd.api+json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/vnd.api+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' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = ObjectSerializer::buildQuery($formParams);
            }
        }

        // this endpoint requires API key authentication
        if ($apiKey == null) {
            $apiKey = $this->config->getApiKeyWithPrefix('Authorization');
        } else {
            $apiKey = 'Klaviyo-API-Key '.$apiKey;
        }

        $headers['Authorization'] = $apiKey;


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

        $defaultHeaders['revision'] = ['2025-07-15'];

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

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

    /**
     * Operation getTagIdsForSegment
     *
     * Get Tag IDs for Segment
     *
     * @param  string $id  (required)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response
     */
    public function getTagIdsForSegment($id, $apiKey = null)
    {
        list($response) = $this->getTagIdsForSegmentWithHttpInfo($id, $apiKey);
        return $response;
    }

    /**
     * Alias of `getTagIdsForSegment`
     *
     * @deprecated use `getTagIdsForSegment` instead
     */
    public function getSegmentRelationshipsTags(...$args) {
        return $this->getTagIdsForSegment(...$args);
    }

    /**
     * Operation getTagIdsForSegmentWithHttpInfo
     *
     * Get Tag IDs for Segment
     *
     * @param  string $id  (required)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response, HTTP status code, HTTP response headers (array of strings)
     */
    public function getTagIdsForSegmentWithHttpInfo($id, $apiKey = null)
    {
        $request = $this->getTagIdsForSegmentRequest($id, $apiKey);

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

            $statusCode = $response->getStatusCode();

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

            switch($statusCode) {
                case 200:
                    if ('array<string,mixed>' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('array&lt;string,mixed&gt;' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 400:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 500:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
            }

            $returnType = 'array<string,mixed>';
            if ($returnType === '\SplFileObject') {
                $content = $response->getBody(); //stream goes to serializer
            } else {
                $content = (string) $response->getBody();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            $parsed_content = json_decode(json_encode($content), TRUE);
            if (json_last_error() != JSON_ERROR_NONE) {
                $parsed_content = $content;
            }

            return [
                $parsed_content,
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        'array<string,mixed>',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Alias of `getTagIdsForSegmentWithHttpInfo`
     *
     * @deprecated use `getTagIdsForSegmentWithHttpInfo` instead
     */
    public function getSegmentRelationshipsTagsWithHttpInfo(...$args) {
        return $this->getTagIdsForSegmentWithHttpInfo(...$args);
    }

    /**
     * Operation getTagIdsForSegmentAsync
     *
     * Get Tag IDs for Segment
     *
     * @param  string $id  (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getTagIdsForSegmentAsync($id, $apiKey = null)
    {
        return $this->getTagIdsForSegmentAsyncWithHttpInfo($id, $apiKey)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Alias of `getTagIdsForSegmentAsync`
     *
     * @deprecated use `getTagIdsForSegmentAsync` instead
     */
    public function getSegmentRelationshipsTagsAsync(...$args) {
        return $this->getTagIdsForSegmentAsync(...$args);
    }

    /**
     * Operation getTagIdsForSegmentAsyncWithHttpInfo
     *
     * Get Tag IDs for Segment
     *
     * @param  string $id  (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getTagIdsForSegmentAsyncWithHttpInfo($id, $apiKey = null)
    {
        $returnType = 'array<string,mixed>';
        $request = $this->getTagIdsForSegmentRequest($id, $apiKey);

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

                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $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(),
                        (string) $response->getBody()
                    );
                }
            );
    }

    /**
     * Alias of `getTagIdsForSegmentAsyncWithHttpInfo`
     *
     * @deprecated use `getTagIdsForSegmentAsyncWithHttpInfo` instead
     */
    public function getSegmentRelationshipsTagsAsyncWithHttpInfo(...$args) {
        return $this->getTagIdsForSegmentAsyncWithHttpInfo(...$args);
    }

    /**
     * Create request for operation 'getTagIdsForSegment'
     *
     * @param  string $id  (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function getTagIdsForSegmentRequest($id, $apiKey = null)
    {
        // verify the required parameter 'id' is set
        if ($id === null || (is_array($id) && count($id) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $id when calling getTagIdsForSegment'
            );
        }

        $resourcePath = '/api/segments/{id}/relationships/tags';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;


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


        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/vnd.api+json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/vnd.api+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' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = ObjectSerializer::buildQuery($formParams);
            }
        }

        // this endpoint requires API key authentication
        if ($apiKey == null) {
            $apiKey = $this->config->getApiKeyWithPrefix('Authorization');
        } else {
            $apiKey = 'Klaviyo-API-Key '.$apiKey;
        }

        $headers['Authorization'] = $apiKey;


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

        $defaultHeaders['revision'] = ['2025-07-15'];

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

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

    /**
     * Alias of `getTagIdsForSegmentRequest`
     *
     * @deprecated use `getTagIdsForSegmentRequest` instead
     */
    public function getSegmentRelationshipsTagsRequest(...$args) {
        return $this->getTagIdsForSegmentRequest(...$args);
    }

    /**
     * Operation getTagsForSegment
     *
     * Get Tags for Segment
     *
     * @param  string $id  (required)
     * @param  string[] $fields_tag For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response
     */
    public function getTagsForSegment($id, $fields_tag = null, $apiKey = null)
    {
        list($response) = $this->getTagsForSegmentWithHttpInfo($id, $fields_tag, $apiKey);
        return $response;
    }

    /**
     * Alias of `getTagsForSegment`
     *
     * @deprecated use `getTagsForSegment` instead
     */
    public function getSegmentTags(...$args) {
        return $this->getTagsForSegment(...$args);
    }

    /**
     * Operation getTagsForSegmentWithHttpInfo
     *
     * Get Tags for Segment
     *
     * @param  string $id  (required)
     * @param  string[] $fields_tag For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response, HTTP status code, HTTP response headers (array of strings)
     */
    public function getTagsForSegmentWithHttpInfo($id, $fields_tag = null, $apiKey = null)
    {
        $request = $this->getTagsForSegmentRequest($id, $fields_tag, $apiKey);

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

            $statusCode = $response->getStatusCode();

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

            switch($statusCode) {
                case 200:
                    if ('array<string,mixed>' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('array&lt;string,mixed&gt;' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 400:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 500:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
            }

            $returnType = 'array<string,mixed>';
            if ($returnType === '\SplFileObject') {
                $content = $response->getBody(); //stream goes to serializer
            } else {
                $content = (string) $response->getBody();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            $parsed_content = json_decode(json_encode($content), TRUE);
            if (json_last_error() != JSON_ERROR_NONE) {
                $parsed_content = $content;
            }

            return [
                $parsed_content,
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        'array<string,mixed>',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Alias of `getTagsForSegmentWithHttpInfo`
     *
     * @deprecated use `getTagsForSegmentWithHttpInfo` instead
     */
    public function getSegmentTagsWithHttpInfo(...$args) {
        return $this->getTagsForSegmentWithHttpInfo(...$args);
    }

    /**
     * Operation getTagsForSegmentAsync
     *
     * Get Tags for Segment
     *
     * @param  string $id  (required)
     * @param  string[] $fields_tag For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getTagsForSegmentAsync($id, $fields_tag = null, $apiKey = null)
    {
        return $this->getTagsForSegmentAsyncWithHttpInfo($id, $fields_tag, $apiKey)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Alias of `getTagsForSegmentAsync`
     *
     * @deprecated use `getTagsForSegmentAsync` instead
     */
    public function getSegmentTagsAsync(...$args) {
        return $this->getTagsForSegmentAsync(...$args);
    }

    /**
     * Operation getTagsForSegmentAsyncWithHttpInfo
     *
     * Get Tags for Segment
     *
     * @param  string $id  (required)
     * @param  string[] $fields_tag For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getTagsForSegmentAsyncWithHttpInfo($id, $fields_tag = null, $apiKey = null)
    {
        $returnType = 'array<string,mixed>';
        $request = $this->getTagsForSegmentRequest($id, $fields_tag, $apiKey);

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

                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $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(),
                        (string) $response->getBody()
                    );
                }
            );
    }

    /**
     * Alias of `getTagsForSegmentAsyncWithHttpInfo`
     *
     * @deprecated use `getTagsForSegmentAsyncWithHttpInfo` instead
     */
    public function getSegmentTagsAsyncWithHttpInfo(...$args) {
        return $this->getTagsForSegmentAsyncWithHttpInfo(...$args);
    }

    /**
     * Create request for operation 'getTagsForSegment'
     *
     * @param  string $id  (required)
     * @param  string[] $fields_tag For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function getTagsForSegmentRequest($id, $fields_tag = null, $apiKey = null)
    {
        // verify the required parameter 'id' is set
        if ($id === null || (is_array($id) && count($id) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $id when calling getTagsForSegment'
            );
        }

        $resourcePath = '/api/segments/{id}/tags';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $fields_tag,
            'fields[tag]', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);


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


        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/vnd.api+json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/vnd.api+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' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = ObjectSerializer::buildQuery($formParams);
            }
        }

        // this endpoint requires API key authentication
        if ($apiKey == null) {
            $apiKey = $this->config->getApiKeyWithPrefix('Authorization');
        } else {
            $apiKey = 'Klaviyo-API-Key '.$apiKey;
        }

        $headers['Authorization'] = $apiKey;


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

        $defaultHeaders['revision'] = ['2025-07-15'];

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

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

    /**
     * Alias of `getTagsForSegmentRequest`
     *
     * @deprecated use `getTagsForSegmentRequest` instead
     */
    public function getSegmentTagsRequest(...$args) {
        return $this->getTagsForSegmentRequest(...$args);
    }

    /**
     * Operation updateSegment
     *
     * Update Segment
     *
     * @param  string $id  (required)
     * @param  \KlaviyoAPI\Model\SegmentPartialUpdateQuery $segment_partial_update_query segment_partial_update_query (required)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response
     */
    public function updateSegment($id, $segment_partial_update_query, $apiKey = null)
    {
        list($response) = $this->updateSegmentWithHttpInfo($id, $segment_partial_update_query, $apiKey);
        return $response;
    }

    /**
     * Operation updateSegmentWithHttpInfo
     *
     * Update Segment
     *
     * @param  string $id  (required)
     * @param  \KlaviyoAPI\Model\SegmentPartialUpdateQuery $segment_partial_update_query (required)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response, HTTP status code, HTTP response headers (array of strings)
     */
    public function updateSegmentWithHttpInfo($id, $segment_partial_update_query, $apiKey = null)
    {
        $request = $this->updateSegmentRequest($id, $segment_partial_update_query, $apiKey);

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

            $statusCode = $response->getStatusCode();

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

            switch($statusCode) {
                case 200:
                    if ('array<string,mixed>' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('array&lt;string,mixed&gt;' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 400:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 500:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
            }

            $returnType = 'array<string,mixed>';
            if ($returnType === '\SplFileObject') {
                $content = $response->getBody(); //stream goes to serializer
            } else {
                $content = (string) $response->getBody();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            $parsed_content = json_decode(json_encode($content), TRUE);
            if (json_last_error() != JSON_ERROR_NONE) {
                $parsed_content = $content;
            }

            return [
                $parsed_content,
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        'array<string,mixed>',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation updateSegmentAsync
     *
     * Update Segment
     *
     * @param  string $id  (required)
     * @param  \KlaviyoAPI\Model\SegmentPartialUpdateQuery $segment_partial_update_query (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function updateSegmentAsync($id, $segment_partial_update_query, $apiKey = null)
    {
        return $this->updateSegmentAsyncWithHttpInfo($id, $segment_partial_update_query, $apiKey)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation updateSegmentAsyncWithHttpInfo
     *
     * Update Segment
     *
     * @param  string $id  (required)
     * @param  \KlaviyoAPI\Model\SegmentPartialUpdateQuery $segment_partial_update_query (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function updateSegmentAsyncWithHttpInfo($id, $segment_partial_update_query, $apiKey = null)
    {
        $returnType = 'array<string,mixed>';
        $request = $this->updateSegmentRequest($id, $segment_partial_update_query, $apiKey);

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

                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $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(),
                        (string) $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'updateSegment'
     *
     * @param  string $id  (required)
     * @param  \KlaviyoAPI\Model\SegmentPartialUpdateQuery $segment_partial_update_query (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function updateSegmentRequest($id, $segment_partial_update_query, $apiKey = null)
    {
        // verify the required parameter 'id' is set
        if ($id === null || (is_array($id) && count($id) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $id when calling updateSegment'
            );
        }
        // verify the required parameter 'segment_partial_update_query' is set
        if ($segment_partial_update_query === null || (is_array($segment_partial_update_query) && count($segment_partial_update_query) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $segment_partial_update_query when calling updateSegment'
            );
        }

        $resourcePath = '/api/segments/{id}';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;


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


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

        // for model (json/xml)
        if (isset($segment_partial_update_query)) {
            if ($headers['Content-Type'] === 'application/json' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($segment_partial_update_query));
            } else {
                $httpBody = $segment_partial_update_query;
            }
        } elseif (count($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' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = ObjectSerializer::buildQuery($formParams);
            }
        }

        // this endpoint requires API key authentication
        if ($apiKey == null) {
            $apiKey = $this->config->getApiKeyWithPrefix('Authorization');
        } else {
            $apiKey = 'Klaviyo-API-Key '.$apiKey;
        }

        $headers['Authorization'] = $apiKey;


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

        $defaultHeaders['revision'] = ['2025-07-15'];

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

        $query = ObjectSerializer::buildQuery($queryParams);
        return new Request(
            'PATCH',
            $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;
    }
}