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<?php
/*
 * Copyright 2019 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * GENERATED CODE WARNING
 * Generated by gapic-generator-php from the file
 * https://github.com/googleapis/googleapis/blob/master/google/cloud/translate/v3/translation_service.proto
 * Updates to the above are reflected here through a refresh process.
 */

namespace Google\Cloud\Translate\V3\Gapic;

use Google\ApiCore\ApiException;
use Google\ApiCore\CredentialsWrapper;
use Google\ApiCore\GapicClientTrait;
use Google\ApiCore\LongRunning\OperationsClient;
use Google\ApiCore\OperationResponse;
use Google\ApiCore\PathTemplate;
use Google\ApiCore\RequestParamsHeaderDescriptor;
use Google\ApiCore\RetrySettings;
use Google\ApiCore\Transport\TransportInterface;
use Google\ApiCore\ValidationException;
use Google\Auth\FetchAuthTokenInterface;
use Google\Cloud\Translate\V3\BatchDocumentInputConfig;
use Google\Cloud\Translate\V3\BatchDocumentOutputConfig;
use Google\Cloud\Translate\V3\BatchTranslateDocumentRequest;
use Google\Cloud\Translate\V3\BatchTranslateTextRequest;
use Google\Cloud\Translate\V3\CreateGlossaryRequest;
use Google\Cloud\Translate\V3\DeleteGlossaryRequest;
use Google\Cloud\Translate\V3\DetectLanguageRequest;
use Google\Cloud\Translate\V3\DetectLanguageResponse;
use Google\Cloud\Translate\V3\DocumentInputConfig;
use Google\Cloud\Translate\V3\DocumentOutputConfig;
use Google\Cloud\Translate\V3\GetGlossaryRequest;
use Google\Cloud\Translate\V3\GetSupportedLanguagesRequest;
use Google\Cloud\Translate\V3\Glossary;
use Google\Cloud\Translate\V3\InputConfig;
use Google\Cloud\Translate\V3\ListGlossariesRequest;
use Google\Cloud\Translate\V3\ListGlossariesResponse;
use Google\Cloud\Translate\V3\OutputConfig;
use Google\Cloud\Translate\V3\SupportedLanguages;
use Google\Cloud\Translate\V3\TranslateDocumentRequest;
use Google\Cloud\Translate\V3\TranslateDocumentResponse;
use Google\Cloud\Translate\V3\TranslateTextGlossaryConfig;
use Google\Cloud\Translate\V3\TranslateTextRequest;
use Google\Cloud\Translate\V3\TranslateTextResponse;
use Google\LongRunning\Operation;

/**
 * Service Description: Provides natural language translation operations.
 *
 * This class provides the ability to make remote calls to the backing service through method
 * calls that map to API methods. Sample code to get started:
 *
 * ```
 * $translationServiceClient = new TranslationServiceClient();
 * try {
 *     $formattedParent = $translationServiceClient->locationName('[PROJECT]', '[LOCATION]');
 *     $sourceLanguageCode = 'source_language_code';
 *     $targetLanguageCodes = [];
 *     $inputConfigs = [];
 *     $outputConfig = new BatchDocumentOutputConfig();
 *     $operationResponse = $translationServiceClient->batchTranslateDocument($formattedParent, $sourceLanguageCode, $targetLanguageCodes, $inputConfigs, $outputConfig);
 *     $operationResponse->pollUntilComplete();
 *     if ($operationResponse->operationSucceeded()) {
 *         $result = $operationResponse->getResult();
 *         // doSomethingWith($result)
 *     } else {
 *         $error = $operationResponse->getError();
 *         // handleError($error)
 *     }
 *     // Alternatively:
 *     // start the operation, keep the operation name, and resume later
 *     $operationResponse = $translationServiceClient->batchTranslateDocument($formattedParent, $sourceLanguageCode, $targetLanguageCodes, $inputConfigs, $outputConfig);
 *     $operationName = $operationResponse->getName();
 *     // ... do other work
 *     $newOperationResponse = $translationServiceClient->resumeOperation($operationName, 'batchTranslateDocument');
 *     while (!$newOperationResponse->isDone()) {
 *         // ... do other work
 *         $newOperationResponse->reload();
 *     }
 *     if ($newOperationResponse->operationSucceeded()) {
 *         $result = $newOperationResponse->getResult();
 *         // doSomethingWith($result)
 *     } else {
 *         $error = $newOperationResponse->getError();
 *         // handleError($error)
 *     }
 * } finally {
 *     $translationServiceClient->close();
 * }
 * ```
 *
 * Many parameters require resource names to be formatted in a particular way. To
 * assist with these names, this class includes a format method for each type of
 * name, and additionally a parseName method to extract the individual identifiers
 * contained within formatted names that are returned by the API.
 *
 * This service has a new (beta) implementation. See {@see
 * \Google\Cloud\Translate\V3\Client\TranslationServiceClient} to use the new
 * surface.
 */
class TranslationServiceGapicClient
{
    use GapicClientTrait;

    /** The name of the service. */
    const SERVICE_NAME = 'google.cloud.translation.v3.TranslationService';

    /** The default address of the service. */
    const SERVICE_ADDRESS = 'translate.googleapis.com';

    /** The default port of the service. */
    const DEFAULT_SERVICE_PORT = 443;

    /** The name of the code generator, to be included in the agent header. */
    const CODEGEN_NAME = 'gapic';

    /** The default scopes required by the service. */
    public static $serviceScopes = [
        'https://www.googleapis.com/auth/cloud-platform',
        'https://www.googleapis.com/auth/cloud-translation',
    ];

    private static $glossaryNameTemplate;

    private static $locationNameTemplate;

    private static $pathTemplateMap;

    private $operationsClient;

    private static function getClientDefaults()
    {
        return [
            'serviceName' => self::SERVICE_NAME,
            'apiEndpoint' => self::SERVICE_ADDRESS . ':' . self::DEFAULT_SERVICE_PORT,
            'clientConfig' => __DIR__ . '/../resources/translation_service_client_config.json',
            'descriptorsConfigPath' => __DIR__ . '/../resources/translation_service_descriptor_config.php',
            'gcpApiConfigPath' => __DIR__ . '/../resources/translation_service_grpc_config.json',
            'credentialsConfig' => [
                'defaultScopes' => self::$serviceScopes,
            ],
            'transportConfig' => [
                'rest' => [
                    'restClientConfigPath' => __DIR__ . '/../resources/translation_service_rest_client_config.php',
                ],
            ],
        ];
    }

    private static function getGlossaryNameTemplate()
    {
        if (self::$glossaryNameTemplate == null) {
            self::$glossaryNameTemplate = new PathTemplate('projects/{project}/locations/{location}/glossaries/{glossary}');
        }

        return self::$glossaryNameTemplate;
    }

    private static function getLocationNameTemplate()
    {
        if (self::$locationNameTemplate == null) {
            self::$locationNameTemplate = new PathTemplate('projects/{project}/locations/{location}');
        }

        return self::$locationNameTemplate;
    }

    private static function getPathTemplateMap()
    {
        if (self::$pathTemplateMap == null) {
            self::$pathTemplateMap = [
                'glossary' => self::getGlossaryNameTemplate(),
                'location' => self::getLocationNameTemplate(),
            ];
        }

        return self::$pathTemplateMap;
    }

    /**
     * Formats a string containing the fully-qualified path to represent a glossary
     * resource.
     *
     * @param string $project
     * @param string $location
     * @param string $glossary
     *
     * @return string The formatted glossary resource.
     */
    public static function glossaryName($project, $location, $glossary)
    {
        return self::getGlossaryNameTemplate()->render([
            'project' => $project,
            'location' => $location,
            'glossary' => $glossary,
        ]);
    }

    /**
     * Formats a string containing the fully-qualified path to represent a location
     * resource.
     *
     * @param string $project
     * @param string $location
     *
     * @return string The formatted location resource.
     */
    public static function locationName($project, $location)
    {
        return self::getLocationNameTemplate()->render([
            'project' => $project,
            'location' => $location,
        ]);
    }

    /**
     * Parses a formatted name string and returns an associative array of the components in the name.
     * The following name formats are supported:
     * Template: Pattern
     * - glossary: projects/{project}/locations/{location}/glossaries/{glossary}
     * - location: projects/{project}/locations/{location}
     *
     * The optional $template argument can be supplied to specify a particular pattern,
     * and must match one of the templates listed above. If no $template argument is
     * provided, or if the $template argument does not match one of the templates
     * listed, then parseName will check each of the supported templates, and return
     * the first match.
     *
     * @param string $formattedName The formatted name string
     * @param string $template      Optional name of template to match
     *
     * @return array An associative array from name component IDs to component values.
     *
     * @throws ValidationException If $formattedName could not be matched.
     */
    public static function parseName($formattedName, $template = null)
    {
        $templateMap = self::getPathTemplateMap();
        if ($template) {
            if (!isset($templateMap[$template])) {
                throw new ValidationException("Template name $template does not exist");
            }

            return $templateMap[$template]->match($formattedName);
        }

        foreach ($templateMap as $templateName => $pathTemplate) {
            try {
                return $pathTemplate->match($formattedName);
            } catch (ValidationException $ex) {
                // Swallow the exception to continue trying other path templates
            }
        }

        throw new ValidationException("Input did not match any known format. Input: $formattedName");
    }

    /**
     * Return an OperationsClient object with the same endpoint as $this.
     *
     * @return OperationsClient
     */
    public function getOperationsClient()
    {
        return $this->operationsClient;
    }

    /**
     * Resume an existing long running operation that was previously started by a long
     * running API method. If $methodName is not provided, or does not match a long
     * running API method, then the operation can still be resumed, but the
     * OperationResponse object will not deserialize the final response.
     *
     * @param string $operationName The name of the long running operation
     * @param string $methodName    The name of the method used to start the operation
     *
     * @return OperationResponse
     */
    public function resumeOperation($operationName, $methodName = null)
    {
        $options = isset($this->descriptors[$methodName]['longRunning']) ? $this->descriptors[$methodName]['longRunning'] : [];
        $operation = new OperationResponse($operationName, $this->getOperationsClient(), $options);
        $operation->reload();
        return $operation;
    }

    /**
     * Constructor.
     *
     * @param array $options {
     *     Optional. Options for configuring the service API wrapper.
     *
     *     @type string $apiEndpoint
     *           The address of the API remote host. May optionally include the port, formatted
     *           as "<uri>:<port>". Default 'translate.googleapis.com:443'.
     *     @type string|array|FetchAuthTokenInterface|CredentialsWrapper $credentials
     *           The credentials to be used by the client to authorize API calls. This option
     *           accepts either a path to a credentials file, or a decoded credentials file as a
     *           PHP array.
     *           *Advanced usage*: In addition, this option can also accept a pre-constructed
     *           {@see \Google\Auth\FetchAuthTokenInterface} object or
     *           {@see \Google\ApiCore\CredentialsWrapper} object. Note that when one of these
     *           objects are provided, any settings in $credentialsConfig will be ignored.
     *     @type array $credentialsConfig
     *           Options used to configure credentials, including auth token caching, for the
     *           client. For a full list of supporting configuration options, see
     *           {@see \Google\ApiCore\CredentialsWrapper::build()} .
     *     @type bool $disableRetries
     *           Determines whether or not retries defined by the client configuration should be
     *           disabled. Defaults to `false`.
     *     @type string|array $clientConfig
     *           Client method configuration, including retry settings. This option can be either
     *           a path to a JSON file, or a PHP array containing the decoded JSON data. By
     *           default this settings points to the default client config file, which is
     *           provided in the resources folder.
     *     @type string|TransportInterface $transport
     *           The transport used for executing network requests. May be either the string
     *           `rest` or `grpc`. Defaults to `grpc` if gRPC support is detected on the system.
     *           *Advanced usage*: Additionally, it is possible to pass in an already
     *           instantiated {@see \Google\ApiCore\Transport\TransportInterface} object. Note
     *           that when this object is provided, any settings in $transportConfig, and any
     *           $apiEndpoint setting, will be ignored.
     *     @type array $transportConfig
     *           Configuration options that will be used to construct the transport. Options for
     *           each supported transport type should be passed in a key for that transport. For
     *           example:
     *           $transportConfig = [
     *               'grpc' => [...],
     *               'rest' => [...],
     *           ];
     *           See the {@see \Google\ApiCore\Transport\GrpcTransport::build()} and
     *           {@see \Google\ApiCore\Transport\RestTransport::build()} methods for the
     *           supported options.
     *     @type callable $clientCertSource
     *           A callable which returns the client cert as a string. This can be used to
     *           provide a certificate and private key to the transport layer for mTLS.
     * }
     *
     * @throws ValidationException
     */
    public function __construct(array $options = [])
    {
        $clientOptions = $this->buildClientOptions($options);
        $this->setClientOptions($clientOptions);
        $this->operationsClient = $this->createOperationsClient($clientOptions);
    }

    /**
     * Translates a large volume of document in asynchronous batch mode.
     * This function provides real-time output as the inputs are being processed.
     * If caller cancels a request, the partial results (for an input file, it's
     * all or nothing) may still be available on the specified output location.
     *
     * This call returns immediately and you can use
     * google.longrunning.Operation.name to poll the status of the call.
     *
     * Sample code:
     * ```
     * $translationServiceClient = new TranslationServiceClient();
     * try {
     *     $formattedParent = $translationServiceClient->locationName('[PROJECT]', '[LOCATION]');
     *     $sourceLanguageCode = 'source_language_code';
     *     $targetLanguageCodes = [];
     *     $inputConfigs = [];
     *     $outputConfig = new BatchDocumentOutputConfig();
     *     $operationResponse = $translationServiceClient->batchTranslateDocument($formattedParent, $sourceLanguageCode, $targetLanguageCodes, $inputConfigs, $outputConfig);
     *     $operationResponse->pollUntilComplete();
     *     if ($operationResponse->operationSucceeded()) {
     *         $result = $operationResponse->getResult();
     *         // doSomethingWith($result)
     *     } else {
     *         $error = $operationResponse->getError();
     *         // handleError($error)
     *     }
     *     // Alternatively:
     *     // start the operation, keep the operation name, and resume later
     *     $operationResponse = $translationServiceClient->batchTranslateDocument($formattedParent, $sourceLanguageCode, $targetLanguageCodes, $inputConfigs, $outputConfig);
     *     $operationName = $operationResponse->getName();
     *     // ... do other work
     *     $newOperationResponse = $translationServiceClient->resumeOperation($operationName, 'batchTranslateDocument');
     *     while (!$newOperationResponse->isDone()) {
     *         // ... do other work
     *         $newOperationResponse->reload();
     *     }
     *     if ($newOperationResponse->operationSucceeded()) {
     *         $result = $newOperationResponse->getResult();
     *         // doSomethingWith($result)
     *     } else {
     *         $error = $newOperationResponse->getError();
     *         // handleError($error)
     *     }
     * } finally {
     *     $translationServiceClient->close();
     * }
     * ```
     *
     * @param string                     $parent              Required. Location to make a regional call.
     *
     *                                                        Format: `projects/{project-number-or-id}/locations/{location-id}`.
     *
     *                                                        The `global` location is not supported for batch translation.
     *
     *                                                        Only AutoML Translation models or glossaries within the same region (have
     *                                                        the same location-id) can be used, otherwise an INVALID_ARGUMENT (400)
     *                                                        error is returned.
     * @param string                     $sourceLanguageCode  Required. The ISO-639 language code of the input document if known, for
     *                                                        example, "en-US" or "sr-Latn". Supported language codes are listed in
     *                                                        [Language Support](https://cloud.google.com/translate/docs/languages).
     * @param string[]                   $targetLanguageCodes Required. The ISO-639 language code to use for translation of the input
     *                                                        document. Specify up to 10 language codes here.
     * @param BatchDocumentInputConfig[] $inputConfigs        Required. Input configurations.
     *                                                        The total number of files matched should be <= 100.
     *                                                        The total content size to translate should be <= 100M Unicode codepoints.
     *                                                        The files must use UTF-8 encoding.
     * @param BatchDocumentOutputConfig  $outputConfig        Required. Output configuration.
     *                                                        If 2 input configs match to the same file (that is, same input path),
     *                                                        we don't generate output for duplicate inputs.
     * @param array                      $optionalArgs        {
     *     Optional.
     *
     *     @type array $models
     *           Optional. The models to use for translation. Map's key is target language
     *           code. Map's value is the model name. Value can be a built-in general model,
     *           or an AutoML Translation model.
     *
     *           The value format depends on model type:
     *
     *           - AutoML Translation models:
     *           `projects/{project-number-or-id}/locations/{location-id}/models/{model-id}`
     *
     *           - General (built-in) models:
     *           `projects/{project-number-or-id}/locations/{location-id}/models/general/nmt`,
     *
     *
     *           If the map is empty or a specific model is
     *           not requested for a language pair, then default google model (nmt) is used.
     *     @type array $glossaries
     *           Optional. Glossaries to be applied. It's keyed by target language code.
     *     @type array $formatConversions
     *           Optional. File format conversion map to be applied to all input files.
     *           Map's key is the original mime_type. Map's value is the target mime_type of
     *           translated documents.
     *
     *           Supported file format conversion includes:
     *           - `application/pdf` to
     *           `application/vnd.openxmlformats-officedocument.wordprocessingml.document`
     *
     *           If nothing specified, output files will be in the same format as the
     *           original file.
     *     @type string $customizedAttribution
     *           Optional. This flag is to support user customized attribution.
     *           If not provided, the default is `Machine Translated by Google`.
     *           Customized attribution should follow rules in
     *           https://cloud.google.com/translate/attribution#attribution_and_logos
     *     @type bool $enableShadowRemovalNativePdf
     *           Optional. If true, use the text removal server to remove the shadow text on
     *           background image for native pdf translation.
     *           Shadow removal feature can only be enabled when
     *           is_translate_native_pdf_only: false && pdf_native_only: false
     *     @type bool $enableRotationCorrection
     *           Optional. If true, enable auto rotation correction in DVS.
     *     @type RetrySettings|array $retrySettings
     *           Retry settings to use for this call. Can be a {@see RetrySettings} object, or an
     *           associative array of retry settings parameters. See the documentation on
     *           {@see RetrySettings} for example usage.
     * }
     *
     * @return \Google\ApiCore\OperationResponse
     *
     * @throws ApiException if the remote call fails
     */
    public function batchTranslateDocument($parent, $sourceLanguageCode, $targetLanguageCodes, $inputConfigs, $outputConfig, array $optionalArgs = [])
    {
        $request = new BatchTranslateDocumentRequest();
        $requestParamHeaders = [];
        $request->setParent($parent);
        $request->setSourceLanguageCode($sourceLanguageCode);
        $request->setTargetLanguageCodes($targetLanguageCodes);
        $request->setInputConfigs($inputConfigs);
        $request->setOutputConfig($outputConfig);
        $requestParamHeaders['parent'] = $parent;
        if (isset($optionalArgs['models'])) {
            $request->setModels($optionalArgs['models']);
        }

        if (isset($optionalArgs['glossaries'])) {
            $request->setGlossaries($optionalArgs['glossaries']);
        }

        if (isset($optionalArgs['formatConversions'])) {
            $request->setFormatConversions($optionalArgs['formatConversions']);
        }

        if (isset($optionalArgs['customizedAttribution'])) {
            $request->setCustomizedAttribution($optionalArgs['customizedAttribution']);
        }

        if (isset($optionalArgs['enableShadowRemovalNativePdf'])) {
            $request->setEnableShadowRemovalNativePdf($optionalArgs['enableShadowRemovalNativePdf']);
        }

        if (isset($optionalArgs['enableRotationCorrection'])) {
            $request->setEnableRotationCorrection($optionalArgs['enableRotationCorrection']);
        }

        $requestParams = new RequestParamsHeaderDescriptor($requestParamHeaders);
        $optionalArgs['headers'] = isset($optionalArgs['headers']) ? array_merge($requestParams->getHeader(), $optionalArgs['headers']) : $requestParams->getHeader();
        return $this->startOperationsCall('BatchTranslateDocument', $optionalArgs, $request, $this->getOperationsClient())->wait();
    }

    /**
     * Translates a large volume of text in asynchronous batch mode.
     * This function provides real-time output as the inputs are being processed.
     * If caller cancels a request, the partial results (for an input file, it's
     * all or nothing) may still be available on the specified output location.
     *
     * This call returns immediately and you can
     * use google.longrunning.Operation.name to poll the status of the call.
     *
     * Sample code:
     * ```
     * $translationServiceClient = new TranslationServiceClient();
     * try {
     *     $formattedParent = $translationServiceClient->locationName('[PROJECT]', '[LOCATION]');
     *     $sourceLanguageCode = 'source_language_code';
     *     $targetLanguageCodes = [];
     *     $inputConfigs = [];
     *     $outputConfig = new OutputConfig();
     *     $operationResponse = $translationServiceClient->batchTranslateText($formattedParent, $sourceLanguageCode, $targetLanguageCodes, $inputConfigs, $outputConfig);
     *     $operationResponse->pollUntilComplete();
     *     if ($operationResponse->operationSucceeded()) {
     *         $result = $operationResponse->getResult();
     *         // doSomethingWith($result)
     *     } else {
     *         $error = $operationResponse->getError();
     *         // handleError($error)
     *     }
     *     // Alternatively:
     *     // start the operation, keep the operation name, and resume later
     *     $operationResponse = $translationServiceClient->batchTranslateText($formattedParent, $sourceLanguageCode, $targetLanguageCodes, $inputConfigs, $outputConfig);
     *     $operationName = $operationResponse->getName();
     *     // ... do other work
     *     $newOperationResponse = $translationServiceClient->resumeOperation($operationName, 'batchTranslateText');
     *     while (!$newOperationResponse->isDone()) {
     *         // ... do other work
     *         $newOperationResponse->reload();
     *     }
     *     if ($newOperationResponse->operationSucceeded()) {
     *         $result = $newOperationResponse->getResult();
     *         // doSomethingWith($result)
     *     } else {
     *         $error = $newOperationResponse->getError();
     *         // handleError($error)
     *     }
     * } finally {
     *     $translationServiceClient->close();
     * }
     * ```
     *
     * @param string        $parent              Required. Location to make a call. Must refer to a caller's project.
     *
     *                                           Format: `projects/{project-number-or-id}/locations/{location-id}`.
     *
     *                                           The `global` location is not supported for batch translation.
     *
     *                                           Only AutoML Translation models or glossaries within the same region (have
     *                                           the same location-id) can be used, otherwise an INVALID_ARGUMENT (400)
     *                                           error is returned.
     * @param string        $sourceLanguageCode  Required. Source language code.
     * @param string[]      $targetLanguageCodes Required. Specify up to 10 language codes here.
     * @param InputConfig[] $inputConfigs        Required. Input configurations.
     *                                           The total number of files matched should be <= 100.
     *                                           The total content size should be <= 100M Unicode codepoints.
     *                                           The files must use UTF-8 encoding.
     * @param OutputConfig  $outputConfig        Required. Output configuration.
     *                                           If 2 input configs match to the same file (that is, same input path),
     *                                           we don't generate output for duplicate inputs.
     * @param array         $optionalArgs        {
     *     Optional.
     *
     *     @type array $models
     *           Optional. The models to use for translation. Map's key is target language
     *           code. Map's value is model name. Value can be a built-in general model,
     *           or an AutoML Translation model.
     *
     *           The value format depends on model type:
     *
     *           - AutoML Translation models:
     *           `projects/{project-number-or-id}/locations/{location-id}/models/{model-id}`
     *
     *           - General (built-in) models:
     *           `projects/{project-number-or-id}/locations/{location-id}/models/general/nmt`,
     *
     *
     *           If the map is empty or a specific model is
     *           not requested for a language pair, then default google model (nmt) is used.
     *     @type array $glossaries
     *           Optional. Glossaries to be applied for translation.
     *           It's keyed by target language code.
     *     @type array $labels
     *           Optional. The labels with user-defined metadata for the request.
     *
     *           Label keys and values can be no longer than 63 characters
     *           (Unicode codepoints), can only contain lowercase letters, numeric
     *           characters, underscores and dashes. International characters are allowed.
     *           Label values are optional. Label keys must start with a letter.
     *
     *           See https://cloud.google.com/translate/docs/advanced/labels for more
     *           information.
     *     @type RetrySettings|array $retrySettings
     *           Retry settings to use for this call. Can be a {@see RetrySettings} object, or an
     *           associative array of retry settings parameters. See the documentation on
     *           {@see RetrySettings} for example usage.
     * }
     *
     * @return \Google\ApiCore\OperationResponse
     *
     * @throws ApiException if the remote call fails
     */
    public function batchTranslateText($parent, $sourceLanguageCode, $targetLanguageCodes, $inputConfigs, $outputConfig, array $optionalArgs = [])
    {
        $request = new BatchTranslateTextRequest();
        $requestParamHeaders = [];
        $request->setParent($parent);
        $request->setSourceLanguageCode($sourceLanguageCode);
        $request->setTargetLanguageCodes($targetLanguageCodes);
        $request->setInputConfigs($inputConfigs);
        $request->setOutputConfig($outputConfig);
        $requestParamHeaders['parent'] = $parent;
        if (isset($optionalArgs['models'])) {
            $request->setModels($optionalArgs['models']);
        }

        if (isset($optionalArgs['glossaries'])) {
            $request->setGlossaries($optionalArgs['glossaries']);
        }

        if (isset($optionalArgs['labels'])) {
            $request->setLabels($optionalArgs['labels']);
        }

        $requestParams = new RequestParamsHeaderDescriptor($requestParamHeaders);
        $optionalArgs['headers'] = isset($optionalArgs['headers']) ? array_merge($requestParams->getHeader(), $optionalArgs['headers']) : $requestParams->getHeader();
        return $this->startOperationsCall('BatchTranslateText', $optionalArgs, $request, $this->getOperationsClient())->wait();
    }

    /**
     * Creates a glossary and returns the long-running operation. Returns
     * NOT_FOUND, if the project doesn't exist.
     *
     * Sample code:
     * ```
     * $translationServiceClient = new TranslationServiceClient();
     * try {
     *     $formattedParent = $translationServiceClient->locationName('[PROJECT]', '[LOCATION]');
     *     $glossary = new Glossary();
     *     $operationResponse = $translationServiceClient->createGlossary($formattedParent, $glossary);
     *     $operationResponse->pollUntilComplete();
     *     if ($operationResponse->operationSucceeded()) {
     *         $result = $operationResponse->getResult();
     *         // doSomethingWith($result)
     *     } else {
     *         $error = $operationResponse->getError();
     *         // handleError($error)
     *     }
     *     // Alternatively:
     *     // start the operation, keep the operation name, and resume later
     *     $operationResponse = $translationServiceClient->createGlossary($formattedParent, $glossary);
     *     $operationName = $operationResponse->getName();
     *     // ... do other work
     *     $newOperationResponse = $translationServiceClient->resumeOperation($operationName, 'createGlossary');
     *     while (!$newOperationResponse->isDone()) {
     *         // ... do other work
     *         $newOperationResponse->reload();
     *     }
     *     if ($newOperationResponse->operationSucceeded()) {
     *         $result = $newOperationResponse->getResult();
     *         // doSomethingWith($result)
     *     } else {
     *         $error = $newOperationResponse->getError();
     *         // handleError($error)
     *     }
     * } finally {
     *     $translationServiceClient->close();
     * }
     * ```
     *
     * @param string   $parent       Required. The project name.
     * @param Glossary $glossary     Required. The glossary to create.
     * @param array    $optionalArgs {
     *     Optional.
     *
     *     @type RetrySettings|array $retrySettings
     *           Retry settings to use for this call. Can be a {@see RetrySettings} object, or an
     *           associative array of retry settings parameters. See the documentation on
     *           {@see RetrySettings} for example usage.
     * }
     *
     * @return \Google\ApiCore\OperationResponse
     *
     * @throws ApiException if the remote call fails
     */
    public function createGlossary($parent, $glossary, array $optionalArgs = [])
    {
        $request = new CreateGlossaryRequest();
        $requestParamHeaders = [];
        $request->setParent($parent);
        $request->setGlossary($glossary);
        $requestParamHeaders['parent'] = $parent;
        $requestParams = new RequestParamsHeaderDescriptor($requestParamHeaders);
        $optionalArgs['headers'] = isset($optionalArgs['headers']) ? array_merge($requestParams->getHeader(), $optionalArgs['headers']) : $requestParams->getHeader();
        return $this->startOperationsCall('CreateGlossary', $optionalArgs, $request, $this->getOperationsClient())->wait();
    }

    /**
     * Deletes a glossary, or cancels glossary construction
     * if the glossary isn't created yet.
     * Returns NOT_FOUND, if the glossary doesn't exist.
     *
     * Sample code:
     * ```
     * $translationServiceClient = new TranslationServiceClient();
     * try {
     *     $formattedName = $translationServiceClient->glossaryName('[PROJECT]', '[LOCATION]', '[GLOSSARY]');
     *     $operationResponse = $translationServiceClient->deleteGlossary($formattedName);
     *     $operationResponse->pollUntilComplete();
     *     if ($operationResponse->operationSucceeded()) {
     *         $result = $operationResponse->getResult();
     *         // doSomethingWith($result)
     *     } else {
     *         $error = $operationResponse->getError();
     *         // handleError($error)
     *     }
     *     // Alternatively:
     *     // start the operation, keep the operation name, and resume later
     *     $operationResponse = $translationServiceClient->deleteGlossary($formattedName);
     *     $operationName = $operationResponse->getName();
     *     // ... do other work
     *     $newOperationResponse = $translationServiceClient->resumeOperation($operationName, 'deleteGlossary');
     *     while (!$newOperationResponse->isDone()) {
     *         // ... do other work
     *         $newOperationResponse->reload();
     *     }
     *     if ($newOperationResponse->operationSucceeded()) {
     *         $result = $newOperationResponse->getResult();
     *         // doSomethingWith($result)
     *     } else {
     *         $error = $newOperationResponse->getError();
     *         // handleError($error)
     *     }
     * } finally {
     *     $translationServiceClient->close();
     * }
     * ```
     *
     * @param string $name         Required. The name of the glossary to delete.
     * @param array  $optionalArgs {
     *     Optional.
     *
     *     @type RetrySettings|array $retrySettings
     *           Retry settings to use for this call. Can be a {@see RetrySettings} object, or an
     *           associative array of retry settings parameters. See the documentation on
     *           {@see RetrySettings} for example usage.
     * }
     *
     * @return \Google\ApiCore\OperationResponse
     *
     * @throws ApiException if the remote call fails
     */
    public function deleteGlossary($name, array $optionalArgs = [])
    {
        $request = new DeleteGlossaryRequest();
        $requestParamHeaders = [];
        $request->setName($name);
        $requestParamHeaders['name'] = $name;
        $requestParams = new RequestParamsHeaderDescriptor($requestParamHeaders);
        $optionalArgs['headers'] = isset($optionalArgs['headers']) ? array_merge($requestParams->getHeader(), $optionalArgs['headers']) : $requestParams->getHeader();
        return $this->startOperationsCall('DeleteGlossary', $optionalArgs, $request, $this->getOperationsClient())->wait();
    }

    /**
     * Detects the language of text within a request.
     *
     * Sample code:
     * ```
     * $translationServiceClient = new TranslationServiceClient();
     * try {
     *     $formattedParent = $translationServiceClient->locationName('[PROJECT]', '[LOCATION]');
     *     $response = $translationServiceClient->detectLanguage($formattedParent);
     * } finally {
     *     $translationServiceClient->close();
     * }
     * ```
     *
     * @param string $parent       Required. Project or location to make a call. Must refer to a caller's
     *                             project.
     *
     *                             Format: `projects/{project-number-or-id}/locations/{location-id}` or
     *                             `projects/{project-number-or-id}`.
     *
     *                             For global calls, use `projects/{project-number-or-id}/locations/global` or
     *                             `projects/{project-number-or-id}`.
     *
     *                             Only models within the same region (has same location-id) can be used.
     *                             Otherwise an INVALID_ARGUMENT (400) error is returned.
     * @param array  $optionalArgs {
     *     Optional.
     *
     *     @type string $model
     *           Optional. The language detection model to be used.
     *
     *           Format:
     *           `projects/{project-number-or-id}/locations/{location-id}/models/language-detection/{model-id}`
     *
     *           Only one language detection model is currently supported:
     *           `projects/{project-number-or-id}/locations/{location-id}/models/language-detection/default`.
     *
     *           If not specified, the default model is used.
     *     @type string $content
     *           The content of the input stored as a string.
     *     @type string $mimeType
     *           Optional. The format of the source text, for example, "text/html",
     *           "text/plain". If left blank, the MIME type defaults to "text/html".
     *     @type array $labels
     *           Optional. The labels with user-defined metadata for the request.
     *
     *           Label keys and values can be no longer than 63 characters
     *           (Unicode codepoints), can only contain lowercase letters, numeric
     *           characters, underscores and dashes. International characters are allowed.
     *           Label values are optional. Label keys must start with a letter.
     *
     *           See https://cloud.google.com/translate/docs/advanced/labels for more
     *           information.
     *     @type RetrySettings|array $retrySettings
     *           Retry settings to use for this call. Can be a {@see RetrySettings} object, or an
     *           associative array of retry settings parameters. See the documentation on
     *           {@see RetrySettings} for example usage.
     * }
     *
     * @return \Google\Cloud\Translate\V3\DetectLanguageResponse
     *
     * @throws ApiException if the remote call fails
     */
    public function detectLanguage($parent, array $optionalArgs = [])
    {
        $request = new DetectLanguageRequest();
        $requestParamHeaders = [];
        $request->setParent($parent);
        $requestParamHeaders['parent'] = $parent;
        if (isset($optionalArgs['model'])) {
            $request->setModel($optionalArgs['model']);
        }

        if (isset($optionalArgs['content'])) {
            $request->setContent($optionalArgs['content']);
        }

        if (isset($optionalArgs['mimeType'])) {
            $request->setMimeType($optionalArgs['mimeType']);
        }

        if (isset($optionalArgs['labels'])) {
            $request->setLabels($optionalArgs['labels']);
        }

        $requestParams = new RequestParamsHeaderDescriptor($requestParamHeaders);
        $optionalArgs['headers'] = isset($optionalArgs['headers']) ? array_merge($requestParams->getHeader(), $optionalArgs['headers']) : $requestParams->getHeader();
        return $this->startCall('DetectLanguage', DetectLanguageResponse::class, $optionalArgs, $request)->wait();
    }

    /**
     * Gets a glossary. Returns NOT_FOUND, if the glossary doesn't
     * exist.
     *
     * Sample code:
     * ```
     * $translationServiceClient = new TranslationServiceClient();
     * try {
     *     $formattedName = $translationServiceClient->glossaryName('[PROJECT]', '[LOCATION]', '[GLOSSARY]');
     *     $response = $translationServiceClient->getGlossary($formattedName);
     * } finally {
     *     $translationServiceClient->close();
     * }
     * ```
     *
     * @param string $name         Required. The name of the glossary to retrieve.
     * @param array  $optionalArgs {
     *     Optional.
     *
     *     @type RetrySettings|array $retrySettings
     *           Retry settings to use for this call. Can be a {@see RetrySettings} object, or an
     *           associative array of retry settings parameters. See the documentation on
     *           {@see RetrySettings} for example usage.
     * }
     *
     * @return \Google\Cloud\Translate\V3\Glossary
     *
     * @throws ApiException if the remote call fails
     */
    public function getGlossary($name, array $optionalArgs = [])
    {
        $request = new GetGlossaryRequest();
        $requestParamHeaders = [];
        $request->setName($name);
        $requestParamHeaders['name'] = $name;
        $requestParams = new RequestParamsHeaderDescriptor($requestParamHeaders);
        $optionalArgs['headers'] = isset($optionalArgs['headers']) ? array_merge($requestParams->getHeader(), $optionalArgs['headers']) : $requestParams->getHeader();
        return $this->startCall('GetGlossary', Glossary::class, $optionalArgs, $request)->wait();
    }

    /**
     * Returns a list of supported languages for translation.
     *
     * Sample code:
     * ```
     * $translationServiceClient = new TranslationServiceClient();
     * try {
     *     $formattedParent = $translationServiceClient->locationName('[PROJECT]', '[LOCATION]');
     *     $response = $translationServiceClient->getSupportedLanguages($formattedParent);
     * } finally {
     *     $translationServiceClient->close();
     * }
     * ```
     *
     * @param string $parent       Required. Project or location to make a call. Must refer to a caller's
     *                             project.
     *
     *                             Format: `projects/{project-number-or-id}` or
     *                             `projects/{project-number-or-id}/locations/{location-id}`.
     *
     *                             For global calls, use `projects/{project-number-or-id}/locations/global` or
     *                             `projects/{project-number-or-id}`.
     *
     *                             Non-global location is required for AutoML models.
     *
     *                             Only models within the same region (have same location-id) can be used,
     *                             otherwise an INVALID_ARGUMENT (400) error is returned.
     * @param array  $optionalArgs {
     *     Optional.
     *
     *     @type string $displayLanguageCode
     *           Optional. The language to use to return localized, human readable names
     *           of supported languages. If missing, then display names are not returned
     *           in a response.
     *     @type string $model
     *           Optional. Get supported languages of this model.
     *
     *           The format depends on model type:
     *
     *           - AutoML Translation models:
     *           `projects/{project-number-or-id}/locations/{location-id}/models/{model-id}`
     *
     *           - General (built-in) models:
     *           `projects/{project-number-or-id}/locations/{location-id}/models/general/nmt`,
     *
     *
     *           Returns languages supported by the specified model.
     *           If missing, we get supported languages of Google general NMT model.
     *     @type RetrySettings|array $retrySettings
     *           Retry settings to use for this call. Can be a {@see RetrySettings} object, or an
     *           associative array of retry settings parameters. See the documentation on
     *           {@see RetrySettings} for example usage.
     * }
     *
     * @return \Google\Cloud\Translate\V3\SupportedLanguages
     *
     * @throws ApiException if the remote call fails
     */
    public function getSupportedLanguages($parent, array $optionalArgs = [])
    {
        $request = new GetSupportedLanguagesRequest();
        $requestParamHeaders = [];
        $request->setParent($parent);
        $requestParamHeaders['parent'] = $parent;
        if (isset($optionalArgs['displayLanguageCode'])) {
            $request->setDisplayLanguageCode($optionalArgs['displayLanguageCode']);
        }

        if (isset($optionalArgs['model'])) {
            $request->setModel($optionalArgs['model']);
        }

        $requestParams = new RequestParamsHeaderDescriptor($requestParamHeaders);
        $optionalArgs['headers'] = isset($optionalArgs['headers']) ? array_merge($requestParams->getHeader(), $optionalArgs['headers']) : $requestParams->getHeader();
        return $this->startCall('GetSupportedLanguages', SupportedLanguages::class, $optionalArgs, $request)->wait();
    }

    /**
     * Lists glossaries in a project. Returns NOT_FOUND, if the project doesn't
     * exist.
     *
     * Sample code:
     * ```
     * $translationServiceClient = new TranslationServiceClient();
     * try {
     *     $formattedParent = $translationServiceClient->locationName('[PROJECT]', '[LOCATION]');
     *     // Iterate over pages of elements
     *     $pagedResponse = $translationServiceClient->listGlossaries($formattedParent);
     *     foreach ($pagedResponse->iteratePages() as $page) {
     *         foreach ($page as $element) {
     *             // doSomethingWith($element);
     *         }
     *     }
     *     // Alternatively:
     *     // Iterate through all elements
     *     $pagedResponse = $translationServiceClient->listGlossaries($formattedParent);
     *     foreach ($pagedResponse->iterateAllElements() as $element) {
     *         // doSomethingWith($element);
     *     }
     * } finally {
     *     $translationServiceClient->close();
     * }
     * ```
     *
     * @param string $parent       Required. The name of the project from which to list all of the glossaries.
     * @param array  $optionalArgs {
     *     Optional.
     *
     *     @type int $pageSize
     *           The maximum number of resources contained in the underlying API
     *           response. The API may return fewer values in a page, even if
     *           there are additional values to be retrieved.
     *     @type string $pageToken
     *           A page token is used to specify a page of values to be returned.
     *           If no page token is specified (the default), the first page
     *           of values will be returned. Any page token used here must have
     *           been generated by a previous call to the API.
     *     @type string $filter
     *           Optional. Filter specifying constraints of a list operation.
     *           Specify the constraint by the format of "key=value", where key must be
     *           "src" or "tgt", and the value must be a valid language code.
     *           For multiple restrictions, concatenate them by "AND" (uppercase only),
     *           such as: "src=en-US AND tgt=zh-CN". Notice that the exact match is used
     *           here, which means using 'en-US' and 'en' can lead to different results,
     *           which depends on the language code you used when you create the glossary.
     *           For the unidirectional glossaries, the "src" and "tgt" add restrictions
     *           on the source and target language code separately.
     *           For the equivalent term set glossaries, the "src" and/or "tgt" add
     *           restrictions on the term set.
     *           For example: "src=en-US AND tgt=zh-CN" will only pick the unidirectional
     *           glossaries which exactly match the source language code as "en-US" and the
     *           target language code "zh-CN", but all equivalent term set glossaries which
     *           contain "en-US" and "zh-CN" in their language set will be picked.
     *           If missing, no filtering is performed.
     *     @type RetrySettings|array $retrySettings
     *           Retry settings to use for this call. Can be a {@see RetrySettings} object, or an
     *           associative array of retry settings parameters. See the documentation on
     *           {@see RetrySettings} for example usage.
     * }
     *
     * @return \Google\ApiCore\PagedListResponse
     *
     * @throws ApiException if the remote call fails
     */
    public function listGlossaries($parent, array $optionalArgs = [])
    {
        $request = new ListGlossariesRequest();
        $requestParamHeaders = [];
        $request->setParent($parent);
        $requestParamHeaders['parent'] = $parent;
        if (isset($optionalArgs['pageSize'])) {
            $request->setPageSize($optionalArgs['pageSize']);
        }

        if (isset($optionalArgs['pageToken'])) {
            $request->setPageToken($optionalArgs['pageToken']);
        }

        if (isset($optionalArgs['filter'])) {
            $request->setFilter($optionalArgs['filter']);
        }

        $requestParams = new RequestParamsHeaderDescriptor($requestParamHeaders);
        $optionalArgs['headers'] = isset($optionalArgs['headers']) ? array_merge($requestParams->getHeader(), $optionalArgs['headers']) : $requestParams->getHeader();
        return $this->getPagedListResponse('ListGlossaries', $optionalArgs, ListGlossariesResponse::class, $request);
    }

    /**
     * Translates documents in synchronous mode.
     *
     * Sample code:
     * ```
     * $translationServiceClient = new TranslationServiceClient();
     * try {
     *     $parent = 'parent';
     *     $targetLanguageCode = 'target_language_code';
     *     $documentInputConfig = new DocumentInputConfig();
     *     $response = $translationServiceClient->translateDocument($parent, $targetLanguageCode, $documentInputConfig);
     * } finally {
     *     $translationServiceClient->close();
     * }
     * ```
     *
     * @param string              $parent              Required. Location to make a regional call.
     *
     *                                                 Format: `projects/{project-number-or-id}/locations/{location-id}`.
     *
     *                                                 For global calls, use `projects/{project-number-or-id}/locations/global` or
     *                                                 `projects/{project-number-or-id}`.
     *
     *                                                 Non-global location is required for requests using AutoML models or custom
     *                                                 glossaries.
     *
     *                                                 Models and glossaries must be within the same region (have the same
     *                                                 location-id), otherwise an INVALID_ARGUMENT (400) error is returned.
     * @param string              $targetLanguageCode  Required. The ISO-639 language code to use for translation of the input
     *                                                 document, set to one of the language codes listed in Language Support.
     * @param DocumentInputConfig $documentInputConfig Required. Input configurations.
     * @param array               $optionalArgs        {
     *     Optional.
     *
     *     @type string $sourceLanguageCode
     *           Optional. The ISO-639 language code of the input document if known, for
     *           example, "en-US" or "sr-Latn". Supported language codes are listed in
     *           Language Support. If the source language isn't specified, the API attempts
     *           to identify the source language automatically and returns the source
     *           language within the response. Source language must be specified if the
     *           request contains a glossary or a custom model.
     *     @type DocumentOutputConfig $documentOutputConfig
     *           Optional. Output configurations.
     *           Defines if the output file should be stored within Cloud Storage as well
     *           as the desired output format. If not provided the translated file will
     *           only be returned through a byte-stream and its output mime type will be
     *           the same as the input file's mime type.
     *     @type string $model
     *           Optional. The `model` type requested for this translation.
     *
     *           The format depends on model type:
     *
     *           - AutoML Translation models:
     *           `projects/{project-number-or-id}/locations/{location-id}/models/{model-id}`
     *
     *           - General (built-in) models:
     *           `projects/{project-number-or-id}/locations/{location-id}/models/general/nmt`,
     *
     *
     *           If not provided, the default Google model (NMT) will be used for
     *           translation.
     *     @type TranslateTextGlossaryConfig $glossaryConfig
     *           Optional. Glossary to be applied. The glossary must be within the same
     *           region (have the same location-id) as the model, otherwise an
     *           INVALID_ARGUMENT (400) error is returned.
     *     @type array $labels
     *           Optional. The labels with user-defined metadata for the request.
     *
     *           Label keys and values can be no longer than 63 characters (Unicode
     *           codepoints), can only contain lowercase letters, numeric characters,
     *           underscores and dashes. International characters are allowed. Label values
     *           are optional. Label keys must start with a letter.
     *
     *           See https://cloud.google.com/translate/docs/advanced/labels for more
     *           information.
     *     @type string $customizedAttribution
     *           Optional. This flag is to support user customized attribution.
     *           If not provided, the default is `Machine Translated by Google`.
     *           Customized attribution should follow rules in
     *           https://cloud.google.com/translate/attribution#attribution_and_logos
     *     @type bool $isTranslateNativePdfOnly
     *           Optional. is_translate_native_pdf_only field for external customers.
     *           If true, the page limit of online native pdf translation is 300 and only
     *           native pdf pages will be translated.
     *     @type bool $enableShadowRemovalNativePdf
     *           Optional. If true, use the text removal server to remove the shadow text on
     *           background image for native pdf translation.
     *           Shadow removal feature can only be enabled when
     *           is_translate_native_pdf_only: false && pdf_native_only: false
     *     @type bool $enableRotationCorrection
     *           Optional. If true, enable auto rotation correction in DVS.
     *     @type RetrySettings|array $retrySettings
     *           Retry settings to use for this call. Can be a {@see RetrySettings} object, or an
     *           associative array of retry settings parameters. See the documentation on
     *           {@see RetrySettings} for example usage.
     * }
     *
     * @return \Google\Cloud\Translate\V3\TranslateDocumentResponse
     *
     * @throws ApiException if the remote call fails
     */
    public function translateDocument($parent, $targetLanguageCode, $documentInputConfig, array $optionalArgs = [])
    {
        $request = new TranslateDocumentRequest();
        $requestParamHeaders = [];
        $request->setParent($parent);
        $request->setTargetLanguageCode($targetLanguageCode);
        $request->setDocumentInputConfig($documentInputConfig);
        $requestParamHeaders['parent'] = $parent;
        if (isset($optionalArgs['sourceLanguageCode'])) {
            $request->setSourceLanguageCode($optionalArgs['sourceLanguageCode']);
        }

        if (isset($optionalArgs['documentOutputConfig'])) {
            $request->setDocumentOutputConfig($optionalArgs['documentOutputConfig']);
        }

        if (isset($optionalArgs['model'])) {
            $request->setModel($optionalArgs['model']);
        }

        if (isset($optionalArgs['glossaryConfig'])) {
            $request->setGlossaryConfig($optionalArgs['glossaryConfig']);
        }

        if (isset($optionalArgs['labels'])) {
            $request->setLabels($optionalArgs['labels']);
        }

        if (isset($optionalArgs['customizedAttribution'])) {
            $request->setCustomizedAttribution($optionalArgs['customizedAttribution']);
        }

        if (isset($optionalArgs['isTranslateNativePdfOnly'])) {
            $request->setIsTranslateNativePdfOnly($optionalArgs['isTranslateNativePdfOnly']);
        }

        if (isset($optionalArgs['enableShadowRemovalNativePdf'])) {
            $request->setEnableShadowRemovalNativePdf($optionalArgs['enableShadowRemovalNativePdf']);
        }

        if (isset($optionalArgs['enableRotationCorrection'])) {
            $request->setEnableRotationCorrection($optionalArgs['enableRotationCorrection']);
        }

        $requestParams = new RequestParamsHeaderDescriptor($requestParamHeaders);
        $optionalArgs['headers'] = isset($optionalArgs['headers']) ? array_merge($requestParams->getHeader(), $optionalArgs['headers']) : $requestParams->getHeader();
        return $this->startCall('TranslateDocument', TranslateDocumentResponse::class, $optionalArgs, $request)->wait();
    }

    /**
     * Translates input text and returns translated text.
     *
     * Sample code:
     * ```
     * $translationServiceClient = new TranslationServiceClient();
     * try {
     *     $contents = [];
     *     $targetLanguageCode = 'target_language_code';
     *     $formattedParent = $translationServiceClient->locationName('[PROJECT]', '[LOCATION]');
     *     $response = $translationServiceClient->translateText($contents, $targetLanguageCode, $formattedParent);
     * } finally {
     *     $translationServiceClient->close();
     * }
     * ```
     *
     * @param string[] $contents           Required. The content of the input in string format.
     *                                     We recommend the total content be less than 30,000 codepoints. The max
     *                                     length of this field is 1024. Use BatchTranslateText for larger text.
     * @param string   $targetLanguageCode Required. The ISO-639 language code to use for translation of the input
     *                                     text, set to one of the language codes listed in Language Support.
     * @param string   $parent             Required. Project or location to make a call. Must refer to a caller's
     *                                     project.
     *
     *                                     Format: `projects/{project-number-or-id}` or
     *                                     `projects/{project-number-or-id}/locations/{location-id}`.
     *
     *                                     For global calls, use `projects/{project-number-or-id}/locations/global` or
     *                                     `projects/{project-number-or-id}`.
     *
     *                                     Non-global location is required for requests using AutoML models or
     *                                     custom glossaries.
     *
     *                                     Models and glossaries must be within the same region (have same
     *                                     location-id), otherwise an INVALID_ARGUMENT (400) error is returned.
     * @param array    $optionalArgs       {
     *     Optional.
     *
     *     @type string $mimeType
     *           Optional. The format of the source text, for example, "text/html",
     *           "text/plain". If left blank, the MIME type defaults to "text/html".
     *     @type string $sourceLanguageCode
     *           Optional. The ISO-639 language code of the input text if
     *           known, for example, "en-US" or "sr-Latn". Supported language codes are
     *           listed in Language Support. If the source language isn't specified, the API
     *           attempts to identify the source language automatically and returns the
     *           source language within the response.
     *     @type string $model
     *           Optional. The `model` type requested for this translation.
     *
     *           The format depends on model type:
     *
     *           - AutoML Translation models:
     *           `projects/{project-number-or-id}/locations/{location-id}/models/{model-id}`
     *
     *           - General (built-in) models:
     *           `projects/{project-number-or-id}/locations/{location-id}/models/general/nmt`,
     *
     *
     *           For global (non-regionalized) requests, use `location-id` `global`.
     *           For example,
     *           `projects/{project-number-or-id}/locations/global/models/general/nmt`.
     *
     *           If not provided, the default Google model (NMT) will be used
     *     @type TranslateTextGlossaryConfig $glossaryConfig
     *           Optional. Glossary to be applied. The glossary must be
     *           within the same region (have the same location-id) as the model, otherwise
     *           an INVALID_ARGUMENT (400) error is returned.
     *     @type array $labels
     *           Optional. The labels with user-defined metadata for the request.
     *
     *           Label keys and values can be no longer than 63 characters
     *           (Unicode codepoints), can only contain lowercase letters, numeric
     *           characters, underscores and dashes. International characters are allowed.
     *           Label values are optional. Label keys must start with a letter.
     *
     *           See https://cloud.google.com/translate/docs/advanced/labels for more
     *           information.
     *     @type RetrySettings|array $retrySettings
     *           Retry settings to use for this call. Can be a {@see RetrySettings} object, or an
     *           associative array of retry settings parameters. See the documentation on
     *           {@see RetrySettings} for example usage.
     * }
     *
     * @return \Google\Cloud\Translate\V3\TranslateTextResponse
     *
     * @throws ApiException if the remote call fails
     */
    public function translateText($contents, $targetLanguageCode, $parent, array $optionalArgs = [])
    {
        $request = new TranslateTextRequest();
        $requestParamHeaders = [];
        $request->setContents($contents);
        $request->setTargetLanguageCode($targetLanguageCode);
        $request->setParent($parent);
        $requestParamHeaders['parent'] = $parent;
        if (isset($optionalArgs['mimeType'])) {
            $request->setMimeType($optionalArgs['mimeType']);
        }

        if (isset($optionalArgs['sourceLanguageCode'])) {
            $request->setSourceLanguageCode($optionalArgs['sourceLanguageCode']);
        }

        if (isset($optionalArgs['model'])) {
            $request->setModel($optionalArgs['model']);
        }

        if (isset($optionalArgs['glossaryConfig'])) {
            $request->setGlossaryConfig($optionalArgs['glossaryConfig']);
        }

        if (isset($optionalArgs['labels'])) {
            $request->setLabels($optionalArgs['labels']);
        }

        $requestParams = new RequestParamsHeaderDescriptor($requestParamHeaders);
        $optionalArgs['headers'] = isset($optionalArgs['headers']) ? array_merge($requestParams->getHeader(), $optionalArgs['headers']) : $requestParams->getHeader();
        return $this->startCall('TranslateText', TranslateTextResponse::class, $optionalArgs, $request)->wait();
    }
}
Creat By MiNi SheLL
Email: jattceo@gmail.com