<?php

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/**

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* Autoloader for Requests for PHP.

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*

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* Include this file if you'd like to avoid having to create your own autoloader.

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*

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* @package Requests

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* @since 2.0.0

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*

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* @codeCoverageIgnore

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*/

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namespace WpOrg\Requests;

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/*

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* Ensure the autoloader is only declared once.

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* This safeguard is in place as this is the typical entry point for this library

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* and this file being required unconditionally could easily cause

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* fatal "Class already declared" errors.

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*/

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if (class_exists('WpOrg\Requests\Autoload') === false) {

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/**

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* Autoloader for Requests for PHP.

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*

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* This autoloader supports the PSR-4 based Requests 2.0.0 classes in a case-sensitive manner

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* as the most common server OS-es are case-sensitive and the file names are in mixed case.

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*

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* For the PSR-0 Requests 1.x BC-layer, requested classes will be treated case-insensitively.

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*

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* @package Requests

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*/

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final class Autoload {

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/**

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* List of the old PSR-0 class names in lowercase as keys with their PSR-4 case-sensitive name as a value.

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*

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* @var array

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*/

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private static $deprecated_classes = [

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// Interfaces.

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'requests_auth' => '\WpOrg\Requests\Auth',

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'requests_hooker' => '\WpOrg\Requests\HookManager',

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'requests_proxy' => '\WpOrg\Requests\Proxy',

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'requests_transport' => '\WpOrg\Requests\Transport',

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// Classes.

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'requests_cookie' => '\WpOrg\Requests\Cookie',

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'requests_exception' => '\WpOrg\Requests\Exception',

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'requests_hooks' => '\WpOrg\Requests\Hooks',

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'requests_idnaencoder' => '\WpOrg\Requests\IdnaEncoder',

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'requests_ipv6' => '\WpOrg\Requests\Ipv6',

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'requests_iri' => '\WpOrg\Requests\Iri',

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'requests_response' => '\WpOrg\Requests\Response',

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'requests_session' => '\WpOrg\Requests\Session',

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'requests_ssl' => '\WpOrg\Requests\Ssl',

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'requests_auth_basic' => '\WpOrg\Requests\Auth\Basic',

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'requests_cookie_jar' => '\WpOrg\Requests\Cookie\Jar',

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'requests_proxy_http' => '\WpOrg\Requests\Proxy\Http',

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'requests_response_headers' => '\WpOrg\Requests\Response\Headers',

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'requests_transport_curl' => '\WpOrg\Requests\Transport\Curl',

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'requests_transport_fsockopen' => '\WpOrg\Requests\Transport\Fsockopen',

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'requests_utility_caseinsensitivedictionary' => '\WpOrg\Requests\Utility\CaseInsensitiveDictionary',

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'requests_utility_filterediterator' => '\WpOrg\Requests\Utility\FilteredIterator',

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'requests_exception_http' => '\WpOrg\Requests\Exception\Http',

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'requests_exception_transport' => '\WpOrg\Requests\Exception\Transport',

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'requests_exception_transport_curl' => '\WpOrg\Requests\Exception\Transport\Curl',

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'requests_exception_http_304' => '\WpOrg\Requests\Exception\Http\Status304',

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'requests_exception_http_305' => '\WpOrg\Requests\Exception\Http\Status305',

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'requests_exception_http_306' => '\WpOrg\Requests\Exception\Http\Status306',

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'requests_exception_http_400' => '\WpOrg\Requests\Exception\Http\Status400',

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'requests_exception_http_401' => '\WpOrg\Requests\Exception\Http\Status401',

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'requests_exception_http_402' => '\WpOrg\Requests\Exception\Http\Status402',

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'requests_exception_http_403' => '\WpOrg\Requests\Exception\Http\Status403',

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'requests_exception_http_404' => '\WpOrg\Requests\Exception\Http\Status404',

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'requests_exception_http_405' => '\WpOrg\Requests\Exception\Http\Status405',

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'requests_exception_http_406' => '\WpOrg\Requests\Exception\Http\Status406',

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'requests_exception_http_407' => '\WpOrg\Requests\Exception\Http\Status407',

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'requests_exception_http_408' => '\WpOrg\Requests\Exception\Http\Status408',

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'requests_exception_http_409' => '\WpOrg\Requests\Exception\Http\Status409',

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'requests_exception_http_410' => '\WpOrg\Requests\Exception\Http\Status410',

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'requests_exception_http_411' => '\WpOrg\Requests\Exception\Http\Status411',

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'requests_exception_http_412' => '\WpOrg\Requests\Exception\Http\Status412',

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'requests_exception_http_413' => '\WpOrg\Requests\Exception\Http\Status413',

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'requests_exception_http_414' => '\WpOrg\Requests\Exception\Http\Status414',

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'requests_exception_http_415' => '\WpOrg\Requests\Exception\Http\Status415',

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'requests_exception_http_416' => '\WpOrg\Requests\Exception\Http\Status416',

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'requests_exception_http_417' => '\WpOrg\Requests\Exception\Http\Status417',

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'requests_exception_http_418' => '\WpOrg\Requests\Exception\Http\Status418',

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'requests_exception_http_428' => '\WpOrg\Requests\Exception\Http\Status428',

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'requests_exception_http_429' => '\WpOrg\Requests\Exception\Http\Status429',

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'requests_exception_http_431' => '\WpOrg\Requests\Exception\Http\Status431',

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'requests_exception_http_500' => '\WpOrg\Requests\Exception\Http\Status500',

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'requests_exception_http_501' => '\WpOrg\Requests\Exception\Http\Status501',

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'requests_exception_http_502' => '\WpOrg\Requests\Exception\Http\Status502',

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'requests_exception_http_503' => '\WpOrg\Requests\Exception\Http\Status503',

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'requests_exception_http_504' => '\WpOrg\Requests\Exception\Http\Status504',

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'requests_exception_http_505' => '\WpOrg\Requests\Exception\Http\Status505',

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'requests_exception_http_511' => '\WpOrg\Requests\Exception\Http\Status511',

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'requests_exception_http_unknown' => '\WpOrg\Requests\Exception\Http\StatusUnknown',

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];

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/**

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* Register the autoloader.

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*

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* Note: the autoloader is *prepended* in the autoload queue.

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* This is done to ensure that the Requests 2.0 autoloader takes precedence

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* over a potentially (dependency-registered) Requests 1.x autoloader.

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*

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* @internal This method contains a safeguard against the autoloader being

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* registered multiple times. This safeguard uses a global constant to

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* (hopefully/in most cases) still function correctly, even if the

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* class would be renamed.

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*

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* @return void

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*/

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public static function register() {

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if (defined('REQUESTS_AUTOLOAD_REGISTERED') === false) {

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spl_autoload_register([self::class, 'load'], true);

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define('REQUESTS_AUTOLOAD_REGISTERED', true);

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}

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}

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/**

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* Autoloader.

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*

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* @param string $class_name Name of the class name to load.

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*

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* @return bool Whether a class was loaded or not.

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*/

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public static function load($class_name) {

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// Check that the class starts with "Requests" (PSR-0) or "WpOrg\Requests" (PSR-4).

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$psr_4_prefix_pos = strpos($class_name, 'WpOrg\\Requests\\');

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if (stripos($class_name, 'Requests') !== 0 && $psr_4_prefix_pos !== 0) {

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return false;

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}

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$class_lower = strtolower($class_name);

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if ($class_lower === 'requests') {

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// Reference to the original PSR-0 Requests class.

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$file = dirname(__DIR__) . '/library/Requests.php';

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} elseif ($psr_4_prefix_pos === 0) {

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// PSR-4 classname.

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$file = __DIR__ . '/' . strtr(substr($class_name, 15), '\\', '/') . '.php';

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}

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if (isset($file) && file_exists($file)) {

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include $file;

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return true;

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}

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/*

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* Okay, so the class starts with "Requests", but we couldn't find the file.

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* If this is one of the deprecated/renamed PSR-0 classes being requested,

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* let's alias it to the new name and throw a deprecation notice.

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*/

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if (isset(self::$deprecated_classes[$class_lower])) {

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/*

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* Integrators who cannot yet upgrade to the PSR-4 class names can silence deprecations

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* by defining a `REQUESTS_SILENCE_PSR0_DEPRECATIONS` constant and setting it to `true`.

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* The constant needs to be defined before the first deprecated class is requested

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* via this autoloader.

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*/

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if (!defined('REQUESTS_SILENCE_PSR0_DEPRECATIONS') || REQUESTS_SILENCE_PSR0_DEPRECATIONS !== true) {

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// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_trigger_error

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trigger_error(

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'The PSR-0 `Requests_...` class names in the Requests library are deprecated.'

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. ' Switch to the PSR-4 `WpOrg\Requests\...` class names at your earliest convenience.',

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E_USER_DEPRECATED

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);

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// Prevent the deprecation notice from being thrown twice.

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if (!defined('REQUESTS_SILENCE_PSR0_DEPRECATIONS')) {

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define('REQUESTS_SILENCE_PSR0_DEPRECATIONS', true);

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}

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}

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// Create an alias and let the autoloader recursively kick in to load the PSR-4 class.

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return class_alias(self::$deprecated_classes[$class_lower], $class_name, true);

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}

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return false;

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}

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}

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}

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